AI:

futurepedia.io - AI tools directory

4chan archives:

Alternative search engines:

wiby.me - A search engine for older style pages.
theoldnet.com - A retro search engine for retro websites.
trace.moe - A search engine for anime screenshots. Won't work with crops. It will give episode and timestamp of a good screenshot.
filelisting.com - FileListing (pretty good at searching for torrents)
megasearch.co - MegaSearch (searches for public files on MEGA, MediaFire, etc.)
dedigger.com - dedigger (search for public files on Google Drive)
eyeofjustice.com/od - Open Directory Search Portal
mmnt.ru/int - Mamont FTP search engine
search.mibbit.com - search engine for IRC
searchftps.net - NAPALM FTP search engine
filepursuit.com - FilePursuit
lumpysoft.com - Google Index Search
musgle.com - Search music files through google
opendirsearch.abifog.com - Open Directory Search Portal
palined.com/search - Google Open Directory Search
proisk.com - proisk search and ftp
snowfl.com - snowfl (searches various public torrent indexes)
libraries.io - Search open source packages, frameworks and tools...
gifcities.org - The GeoCities Animated GIF Search Engine
shodan.io - Search engine for IoT devices, you can access ones with no pw set
catfiles.net - Open directory search engine combining results of Files, Audios, Videos, eBooks, Softwares & more
bugmenot.com - Find and share logins instead of registering an account for something you don't care about.
filechef.com - File finder using google dorks.
odcrawler.xyz - Open directory crawler.

Miscellaneous Interesting sites:

the-eye.eu/public - An archive of random files.
filldisk.com - Fill your hardrive with cats
opentopia.com - Random open webcams
info.cern.ch - The first ever website.
notpron.org/notpron - A riddle site.
hp9845.net/9845/software/screenart/9845cdemo - Gallery of screen art with an HP 9845C
worldbirthsanddeaths.com - Births and deaths simulator.
metafilter.com - A sort of shared blog / news site
degrowth.org - reversing the damage we do to our world
en.m.wikipedia.org/wiki/Portal:Current_events - Documents timeline of world events all the way back from the 20th century
usemumble.neocities.org - Why mumble is a Chad and Discord is a virgin.
digdeeper.neocities.org - Seems like Anon's blog, if he wants a better explaination he can provide a description.
greaterwrong.com - Posts about how to think.
singularity2050.com/2010/01/the-misandry-bubble - The Misandry Bubble (posted in 2010)
resobscura.blogspot.com - Catalog of obscure things.
lobste.rs - Lobsters is a computing-focused community centered around link aggregation and discussion.
jezzamon.com/fourier/index - Fourier Transforms
calresco.org - The Complexity & Artificial Life Research Concept (90s complexity stuff)
pespmc1.vub.ac.be - Principia Cybernetica Web (90s system theory stuff)
certifiedsoftness.com - Certified Softness Measurement
daggermag.com - Dagger Magazine
progopedia.com - Progopedia
tilde.club - tilde club
soda.privatevoid.net/num/lists/web - a cool link list
vidarholen.net/contents/wordcount - counts and graphs various kinds of words found within the source of the linux kernel
lolwut.neocities.org - oldschool anon's blog
deceptionisland.aq - an island with an active volcano in the middle that doesn't look like it has one
n-gate.com - webshit weekly of "hacker" "news"
beneathvt.com - virginia tech's steam tunnels
tools.ietf.org/html/rfc1855 - a set of guidelines made in 1995 on how to behave in a conversation on the internet
int10h.org/oldschool-pc-fonts - old PC fonts
geocities.restorativland.org - the gallery of geocities sites
stumblingon.com - StumblingOn shows you a random webpage whenever you click the STUMBLE button.
web.archive.org/web/20170823090710/http://www.rotten.com/library/culture/banned-cartoons - Banned Cartoons
web.archive.org/web/20170829074032/rotten.com/library - The Rotten Library (archived)
classreal.com/shorts - list of shorts and movies one would call a "mindfuck"
zoomquilt.org - infinitely zooming painting
zoomquilt2.com - another infinite painting
wordseye.com - 1000 words is a picture
kaggle.com/datasets - Open datasets of projects
newtotse.com/oldtotse - the Temple of the Screaming Electron (forum, blog, bbs)
bamsoftware.com/hacks - some interesting projects
eurocanadian.ca/2018/04/the-myth-of-homosexuality-in-ancient-greece - Greeks weren't always bent
orteil.dashnet.org - orteil
hdlbits.01xz.net/wiki/Main_Page - HDLBits is a collection of small circuit design exercises for practicing digital hardware design(HDL).
sel4.systems/ - The seL4® Microkernel
ipfs.io/ipfs/QmSxqrrwUc5hQbyEtMSeF8FKfsWDuvcyUdFEeHXtjxhQgL - Total Hardware 1999
cia.gov/library/readingroom/collection/stargate - CIA declassified Stargate program files, reads like real life SCP at times
michaelbach.de/ot - 142 optical illusions
pespmc1.vub.ac.be/MEMES - Memetics
angelfire.com/oh2/peterr/links/links - Some old weird angelfire link list
joshworth.com/dev/pixelspace/pixelspace_solarsystem - The solar system with accurate spacing if the moon were only one pixel
binfalse.de/2016/02/08/create-an-unscanable-letter - Create an unscannable letter
xsrus.com/writing/explain/onlyfans - Explaining OnlyFans
larrysanger.org/2020/05/wikipedia-is-badly-biased - How wikipedia is biased
furaba-animeseichi.blog.jp - Real life locations compared to same scenes found in anime
suricrasia.online/iceberg/ - The Cursed Computer Iceberg Meme

Useful sites:

weboas.is - A home page replacement with bookmarks, chat, radio, wallpapers, too much in it to easily describe.
webgradients.com - Web gradients.
openproxy.space/list - good source for proxies.
deepl.com/en/translator - A translator better than Google Translate.
waifu2x.udp.jp - A site to scale images without the loss of quality and remove jpeg artifacts.
lagom.nl/lcd-test/clock_phase - Misc tests to check if your monitor sucks or not.
filebin.net - an alright anonymous file host, but it's been really fucking slow lately and it tends to get full very quickly.
gofile.io - Another anonymous file host.
detexify.kirelabs.org/classify - Symbol finder for LaTeX.
piracy.now.sh - A great collection of piracy related links.
github.com/Igglybuff/awesome-piracy/blob/master/readme.md - More very useful links with a focus on piracy.
cssauthor.com - Templates and such.
forum.mobilism.org/index - Books, android/iOS apps and more.
v5.nomie.app - Life tracker but private.
sleepyti.me - Bed time calculator.
dmca.gripe - File sharing site
zz.ht - File sharing site
portablefreeware.com - Portable freeware
gpldl.com - Free premium wordpress stuff
osintframework.com - OSINT framework focused on gathering information from free tools or resources.
github.com/awesome-selfhosted/awesome-selfhosted - A list of Free Software network services and web apps which can be self hosted
github.com/Hack-with-Github/Awesome-Hacking/blob/master/README.md - pentesting resources.
wq.apnic.net/static/search - Jim Browning's recommendation for lookups
invidious.snopyta.org or github.com/iv-org/invidious is a front-end for YouTube.
cq.cx/ladder.pl - A compiler that starts with a ladder diagram and generates native PIC16 or AVR code.
eaglepoll.ga - polling website like strawpoll that will work without javascript (given cloudflare doesn't think you're a botnet)
nirsoft.net - NirSoft web site provides a unique collection of small and useful freeware utilities.
pinetools.com - A lot of useful tools, such as timers, calculators, randomizers, etc
teddit.net - Very minimal Reddit front end site
nitter.net - Very minimal Twitter front end site
trendsmap.com - Twitter trends on map
bibliogram.art - A better way to view IG profiles.
dot.tk/en/index - Free domains
bios-pw.org - BIOS Password Recovery for Laptops
w3i.org - old style but very well organised link list
ianli.github.io/so-you-need-a-typeface - A place to find a typeface
smmry.com - Makes tl;dr with a very simple algo. Works best on news than technical texts.
catalog.neet.tv/harlequin - thread wordcloud
certbot.eff.org - Free SSL certificates
catbox.moe - a cute file uploading site
palettegenerator.com - Palette Generator
lolilabs.xyz - url shortner
xdcc2.jav.pw - XDCC packlist
gchq.github.io/CyberChef - Tool for encoding/decoding/hashing and much more.
github.com/fonic/ipfilter - IP Filter Updater & Generator
blocklistproject.github.io/Lists - Filter lists for adblock etc.
fakereceipt.us/sales_receipt - Make your own fake reciepts
filterlists.com - Filter lists for adblock etc.
unitednuclear.com - US shop for nuclear and chemical supplies. They sell uranium ore
html5up.net - Great website templates in HTML5 & CSS3
spidr.today - A good news aggregator
10minutemail.com - Temporary email addresses
temp-mail.org/en - free temp email w/ constant stream of new domains
cock.li - The best secondary email provider.
blackhost.xyz - tor email provider
alternativeto.net - Site where you can write the name of the software and get alternatives for it
forum.xda-developers.com - The place to go for all of your Android needs. (roms, mods, tweaks etc.)
filehostlist.miraheze.org/wiki/Free_Premium_Leeches - leech wiki
terminal.sexy - Terminal color scheme designer
unanimated.github.io/guides - Fansub guides

Science / math sites:

livemeteors.com - Listen live to VHF signals bouncing off of ionised trails of meteors
ddeville.com/rockets - Derek Deville's Amateur Rocket Adventures
catalogueoflife.org/col - The most complete authoritative list of the world's species
textbookofbacteriology.net/index - Online textbook of bacteriology
earthquake.usgs.gov/earthquakes/map - Latest earthquakes
projectrho.com/public_html/rocket - Helping sci-fi writers get their facts right.
x6ud.github.io/# - Manipulate a 3D model of an animal skull and get reference photos of animals facing same direction as mode
rosettacode.org - Well-known problems and algorithms in several languages
nayuki.io - programming/math
betterexplained.com - Clear, intuitive lessons about imaginary numbers, exponents, and more.
darksitefinder.com/maps/world - Map of light pollution, for stargazers.
windy.com - See the wind
aladin.u-strasbg.fr/AladinLite - Displays an open-source "panorama" of nasa's pictures of space.
mathwithbaddrawings.com - Math with bad drawings
cut-the-knot.org/manifesto/index - Mathematics
en.wikipedia.org/wiki/Lists_of_astronomical_objects - Lists of astronomical objects
wolframalpha.com - Not only for math.
websdr.org - Receivers of Frequencies in various locations here, you can listen to airplanes, to police radios, to various satellites.
radio.garden - Radio station overlayed on earth.
rammb-slider.cira.colostate.edu - Live weather satellite viewer from GOES-16 & 17, Meteosat 8 & 11, Himawari-8 and JPSS.
wttr.in - terminal weather
websdr.ewi.utwente.nl:8901 - Listen and control a short-wave receiver located at the amateur radio club ETGD at the University of Twente.
falstad.com/mathphysics - Several applets for math, physics, and EE
angio.net/pi - You enter a number and get a place in PI where it occurs
numberempire.com - Collection of math tools
divisorplot.com - Explore composite number patterns

Tech sites:

gtfobins.github.io - GTFOBins is a curated list of Unix binaries that can used to bypass local security restrictions in misconfigured systems.
henrypp.org - Home of the great SimpleWall open source firewall for Windows, and more
codesandbox.io/s - An instantly ready, full-featured online IDE for web development on any device with a browser.
untools.co - Collection of thinking tools and frameworks to help you solve problems, make decisions and understand systems.
g.sicp.me - Gentoomen Community Pages
wiki.installgentoo.com/wiki/Main_Page - Install Gentoo
gerigeri.uw.hu/DawnOS/index - DAWN operating system (SUBLEQ arch)
solarbotics.net/library/circuits/bot - BEAMbot circuits and bestiary
solarbotics.net/library - BEAMbot overview, links and bestiary w/pics
hackaday.com - Maker and hacker content
eldritchdata.neocities.org - A neat (as in tidy) website about Linux and stuff
sysinfo.io - Linux/security blog
elm-chan.org/cc_e - a bunch of technical notes about a bunch of hardware and software things.
github.com/GitSquared/edex-ui - a fullscreen, cross-platform terminal emulator and system monitor with a sci-fi aesthetic
lightcommands.com - neat hardware hack explained.
stallman.org - Scholars are yet to determine the meaning of this website.
rx.linkfanel.net - A map applied to a shit ton of user run HF receivers.
catb.org/~esr/halloween/index - The Halloween Documents (leaked mircosoft memorandum)
vetusware.com - Lotsa old abandonware.
fabiensanglard.net - This guy has an interesting blog about computer graphics
phrack.org - Underground hacker ezine running since 1985, cybersecurity and (old school) hacker culture
nojs.club - Websites with no js.
urbit.org - Urbit is a clean-slate OS and network for the 21st century.
shadertoy.com - browse webgl shaders and create your own
caniuse.com - web feature compatibility
teamblind.com - Kind of like reddit but focused on careers, the tech industry, software engineering, finance, etc.
wiki.c2.com - The Original Wiki. Focuses way more on tech and programming than the general purpose Wikipedia.
ghacks.net - A tech blog that reviews software, apps and offers tips and tricks about Windows, Android, and other systems.
onehack.us - Piracy, Exploits and stuff. (Hi Sam)
hw-museum.cz - Hardware Museum
helloworldcollection.de - The Hello World Collection
1mb.club - sites less than 1mb
404pagefound.com - Active vintage websites
quantumplayground.net/#/playground/5643440998055936 - Quantum computing programming concepts
github.com/Michael0x2a/curated-programming-resources/blob/master/resources.md - List of good resources.
commandlinefu.com/commands/browse - A place to record those command-line gems that you return to again and again.
sevenforums.com - Windows 7 forum
marknelson.us - Mark Nelson's website
cbloomrants.blogspot.com - cbloom rants (Charles Bloom's blog)
open-std.org - Open Standards
wall.org/~larry - the page of Larry Wall, the guy behind the Perl programming language
wtfpl.net - do what the fuck you want public license
searx.space - Online and offline Searx instances
awesomekling.github.io - the blog of Andreas Kling, the dude behind SerenityOS
exploratorium.edu/origins/cern/index - Old CERN website, i think?
gemini.circumlunar.space - Home of the http mirror of the gemini project for neat small sites with limited features.
sed.sourceforge.net/sed1line.txt - Useful one-line scripts for sed
kkovacs.eu/cool-but-obscure-unix-tools - A little collection of cool unix terminal/console/curses tools
cyber.dabamos.de/unix/x11 - A small collection of tools for the X Window System.
lolbas-project.github.io - Windows binaries, scripts, libraries

Privacy / Security related sites:

restoreprivacy.com - Privacy blog/website
prism-break.org/en - Anti-NSA and tracking site w/tools
privacytools.io - Privacy and security list/site
eff.org - The leading nonprofit defending digital privacy, free speech, and innovation
digitalfreedom.neocities.org - How the internet is being used to steal your privacy
disroot.org/en - Another collection of privacy-respecting online services such as email, pastebin, and cloud storage.
snopyta.org - Collection of FOSS and privacy-respecting online services, such as DNS, Searx, Invidious, etc.
retroshare.cc - Retroshare is a free and open-source peer-to-peer communication and file sharing app built on GNU Privacy Guard.
iknowwhatyoudownload.com/en/peer - Check to see what torrents associated with your public IP
google.com/webmasters/tools/removals - Google URL removal tool (useful for offline sites and cleaning tracks)
backgroundchecks.org/justdeleteme - List of sites with logins and how easy it is to delete your account
0xacab.org/jvoisin/mat2 - Metadata removal tool
freenetproject.org - Freenet Network
geti2p.net/en - I2P network
qtox.github.io - qTox (might be a meme) anonymous IM
github.com/ricochet-im/Ricochet - Ricochet IM anonymous messenger
tox.chat - Tox protocol
torproject.org - TOR anonymous network/router
zeronet.io - ZeroNet decentralized network (not anonymous, use with TOR or VPN)
spyware.neocities.org - Classification of spyware programs, so that users can be more aware that they are installing spyware
safetydetectives.com/best-vpns - A pretty comprehensive VPN Comparison
security.org/how-secure-is-my-password - A website that calculates how long it would take for your password to be cracked
defensivecomputingchecklist.com - great site for good security habits.
curtiswallen.com/pgp - Good PGP guide
handlefinder.com - tool that can be used to find usernames across many social networks

Learning sites:

javascript.info - The Modern JavaScript Tutorial
github.com/jwasham/coding-interview-university - A step by step guide to becoming a software engineer
root-me.org/?lang=en website to train hacking skillz
animelon.com - Learn moonrunes while you watch your Chinese cartoons
deadlockempire.github.io - fun game for the cooders among you who want to learn a bit about multithreading.
overthewire.org/wargames - Learn and practice security concepts in the form of fun-filled games.
xahlee.info - Math and Programing, tutorials and essays. There are 3.7 thousand articles.
vim-adventures.com - Learn VIM while playing a game
choosealicense.com - A guide and, if you dig a bit, a comprehensive list of open source licenses for software.
ncase.me - Cool educational browser games.
newarcitea.neocities.org - A guide to self-improvement.
projecteuler.net - actually fun and challenging programming puzzles
wanikani.com - Good tool to grind and learn kanji
learnxinyminutes.com - Language resources for programming
nandgame.com - learning game about gates and components.
usesthis.com - A collection of nerdy interviews asking people from all walks of life what they use to get the job done.
coderprog.com - Programming books, courses.
jlcollinsnh.com/manifesto - Best financial advice ever: (actually)

Image (editors, generators etc.) sites:

photopea.com - Basically photoshop but online.
makewordart.com - Classic Wordart generator.
jspaint.app - Classic paint with some intresting features added.
snorpey.github.io/jpg-glitch - Glitch your images.
app.monopro.org/pixel/?lang=en - Pixelart Converter
sh00n3m1gur.000webhostapp.com - Random images.
photomosh.com - Glitch your images some more.
thisxdoesnotexist.com - A collection of things that don't exist.
nsfwai.com - Basically 'this porn does not exist' NSFW.
dreamscopeapp.com - Image effect generator, can be kinda slow.
trimage.org - Tool to optimize images.
postimages.org - Just a good site to upload images.
cockos.com/licecap - Tool to capture gifs.
freedownloadae.com - Graphic assets
wigflip.com/roflbot - roflbot is for adding text and captions to a picture, a la I Can Has Cheezburger.
ezgif.com - gif editor and maker, super useful.
drive.google.com/drive/folders/0B_VmbVyD4eT3N1VUbGN4Wjd5OVE - Old Gdrive with anime vectors
https://www10.flamingtext.com - Free logo Design & Name Generator
remove.bg - Automagically remove backgrounds from images. Not 100% but shockingly good
waifu.lofiu.com - Convert your selfie to waifu
imgops.com - Image tools
nik.bot.nu - Imageboard scraper, great for wallpapers
embeddedsw.net/OpenPuff_Steganography_Home - OpenPuff Steganography software, hide messages in images
babelia.libraryofbabel.info - Babel image archives
petalica-paint.pixiv.dev/index_en - Paints-chainer, apparently part of pixiv now
scanlate.io - fast MTL scanlation
fmwconcepts.com/imagemagick - Imagemagick scripts
spiralbetty.com/ - Spiralize your images

Aesthetic / cool sites:

windows93.net - A fun OS made in JS with some actually fun stuff to do.
initiate.space - Aesthetic site which wants your soul and hosts an imageboard, posting it seems to attract its users.
angusnicneven.com - I don't even.
fauux.neocities.org - I don't even.
systemspace.network - I don't even.
cameronsworld.net - A love letter to the Internet of old.
acko.net - Asthetic and generally cool af.
poolside.fm - like if an operating system was designed by a woman in her 40s
akham.netlify.app - a simple home page that supports keyboard shortcuts made by Anon
peelopaalu.neocities.org - A collection of sites lovingly put together by Anon.
pea.moe - Some guy's site with a terminal and Kyouko.
tsumugi.online - Another guy's site with a Win 98 theme and Mugi.
kemono.party - A paywall archive made by a tripfag
nipponcolors.com - a nice css endeavor
copy.sh/v86 - x86 machine images emulated with webassembly
2bit.neocities.org - Cool site about 2bit graphics
exo.pet - Retro/weird site about neopets and alt versions of that
patrickwoodroffe-world.com/archive - Oldskool webpage. Full of soul.
mebious.neocities.org - Cool Lain worshipper site.
digilord.neocities.org - A better version of this site, under construction.
therestartpage.com - nostalgic startup and shutdown from old OSes
minitokyo3d.com - a very cool visualization of real-time nippon transportation.
town.neocities.org - just a little walk through a town at night, really neat use of JSS.
simone.computer/#/webdesktops - collection of desktop webapps
computernewb.com/collab-vm - Control Collaborative Virtual Machines!

Book sites:

libgen.rs - It's a massive book, scientific journal and all their articles, comics etc. site.
sci-hub.se - Like above with a more pure focus on scientific research papers.
b-ok.global - E-book library.
gen.lib.rus.ec - Get that book for free
pdfdrive.com - Get that book for free
1lib.eu - Get that book for free
standardebooks.org - This is like gutenberg but the ebooks have been formatted nicely and proofed for typos.
forgottenbooks.com/en - Website of a London-based book publisher specialising in restoring old books
libraryofbabel.info - Every single possible book that could be written, in any language using the latin alphabet.
gutenberg.org - Largers public domain book library
deadseascrolls.org.il/?locale=en_US - Dead Sea Scrolls digital library
alwaysjudgeabookbyitscover.com - weird book covers
lampbylit.com - Zine by some anon in /lit/, 2 editions so far.
survivorbb.rapeutation.com - Big archive of books/documents hosted on a phpBB forum
risingtidefoundation.net - Digital Library of Alexandria
lainzine.org - Lainzine
mangadex.org - reading manga online (directly from scanlators)
mangasee123.com - reading manga online (official releases)
readcomiconline.to - reading comics online
getcomics.info - downloading comics

Humour / fun / Random sites:

moanmyip.com - Moans your IP
play.aidungeon.io - Very cool text adventure game that lets you act out very odd scenarios.
alexnisnevich.github.io/untrusted - Some kind of game that people seem to like.
beesbeesbees.com - bees.
lingscars.com - If you ever need to rent a car in the UK from a Chinese lady, do it here.
thebest404pageeverredux.com - Random flash videos.
autists.net - Link to a collection of autists.
burymewithmymoney.com - single serving site.
loli.dance - single serving loli dance site.
instituteforspacepolitics.org - single serving site.
openings.moe - Anime openings.
yyyyyyy.info - A site with no discernible purpose but randum XD
sod.jodi.org - A site with no discernible purpose but randum XD
geogoo.net - A site with no discernible purpose but randum XD
g33con.com - A site with no discernible purpose but randum XD
sanger.dk - Flash doggo licking your monitor
z0r.de - Random flash videos
vore.is-best.net - A site Anon made with no discernible purpose
motherfuckingwebsite.com - A basic but rude website. What you see is what you get.
abbottsimulator.com - Mini web game where you play as former Australian PM Tony Abbott and stop the boats from reaching the country.
zombo.com - Just a useless website for fun.
theuselessweb.com - Site that directs to other random websites/pages.
gnupluslinux.com - Plays a video about why GNU/Linux is good. Source is 'Mawaru Penguindrum'. Also has a Satania image directory.
wanwan-html5.moe - 'Wan~' meme but animated and with multiple characters
kokoro.pyonpyon.moe - Plays the S1 intro of GochiUsa/GochiUzbekistan
w.jodi.org - I don't even
computerhistory.org - Computer history
nogf.club - tfw no gf
blm-egis.maps.arcgis.com/apps/webappviewer/index.html?id=6f0da4c7931440a8a80bfe20eddd7550 - BLM maps
howmanypeopleareinspacerightnow.com - Tells you how many people are in space right now.
f0ck.me - Appears to collect images linked in some IRC channel.
tanami.org - Anon's own website
tanami.org/archive - It's secret archive
userinyerface.com - A worst-practice UI experiment.
pinch.com - A man with a good domain refuses to budge.
biggulpsupreme.neocities.org - a masterful shitpost site.
makefrontendshitagain.party - make frontend shit again
gogetspoiled.com - site which spoils movies
gotoquiz.com/what_azumanga_daioh_character_are_you_1 - which azumanga daioh character are you?
rsdb.org/full - the racial slur database
downloadmorerem.com - A place to get more Rem
drivemeinsane.com - This site allows you to use home automation to have fun at someone else's expense
rms.sexy - A slideshow of (sexy) RMS
mordorweather.illus.ru - Weather of Mordor
thenicestplace.net - free hugs
satania.moe - Why Satania is best waifu
showmetheimage.org - a website for viewing a daily image
angelfire.com/planet/tpirman1982 - Angelfire street lighting gallery, all the streetlamps you ever wanted and more
iiada.serotoninphobia.info - i cant describe
memeatlas.com - Hosting Memes from Reddit and 4chan
cheapcsg.neocities.org - /csg/ ranomizer by some anon
nyan.cat - Several Nyan Cat song and animation variations
objection.lol - Select your character and pose, submit your objection then surprise your friends with your irrefutable evidence!
boyter.org/2016/04/collection-orly-book-covers - Site collecting o'reilly book covers parodies
dev.to/rly - Site for generating o'reilly book covers parodies
thiswojakdoesnotexist.com - This wojack does not exist
crymyip.com - Cries your IP.
shoulditestprivatemethods.com - If you're not sure if you should test private methods.
nyanpass.com - にゃんぱすーをシェアできる全く新しい画期的なWEBサービス.
tylervigen.com/spurious-correlations - Stuff that is correlated but has nothing to do with each other.
durgasoft.com - Pajeet dev services
rjlpranks.com - "Old skool" computer pranks
nazi.moe - Basically exactly what you expect from the url.
norristology.com/flash - Old flash games, music etc. from 2006
lobba.miraheze.org/wiki/The_List - eternal loli wiki
staggeringbeauty.com - Psychedelic worm themed time waster.

Audio / music / sound sites:

touhou.kuukunen.net - Weeb music
doujinstyle.com/?p=tlmc - Weeb music but in big collections you can download.
the.wubmachine.com - This will remix any audio file you upload with sometimes pleasing results.
szynalski.com/tone-generator - Tone generator.
vo.codes - Cool text to speech with lots of character voices
everynoise.com - Bottom line best site to find new music.
asoftmurmur.com - Comfy noise generator.
fusion-world-30.blogspot.com - A blog with Chinese music.
texttospeech.ca - A great TTS site made with love by another /g/ Anon.
drdicksdubshack.com - Some kind of radio station, I think.
audioz.download - Audio warez, courses, etc.
listenbox.app - Lets you listen to youtube links in the background on your phone
.iplusfree.org - Free iTunes Plus M4A
podbay.fm - Podcasts.
420.moe - Anime420girls with some songs and visualizers.
nodata.tv - music leaks
rave.dj - Allows you to create mashups of youtube songs
melobytes.com/en - AI that does music from images and other stuff
findflac.com - .flac music finder
vocaroo.com - Vocaroo is a quick and easy way to share voice messages over the interwebs.
web.archive.org/web/20190518001139/http://soundboards.1apps.com/archiesounds - ArchieLuxury soundboard
findsounds.com - Find the sound effects you need for your project
longmontpotioncastle.com - Longmont Potion Castle's prank calls
illusionaryscore.web.fc2.com/score - A compilation of Piano Scores of the Touhou Series.
gamebanana.com/projects/35179 - MIDI collection - Touhou Project
music.ishkur.com - Ishkur's Guide to Electronic Music.
acrcloud.com/identify-songs-music-recognition-online - Upload a webm and get the title of the song playing
keygenmusic.tk - Music from keygens.
aidn.jp/contents - Weeb music minigames from the creator of nyan cat.
plaza.one - vaporwave radio & a cool website.
mynoise.net - Creates beautiful noises to mask the noises you don’t want to hear
musicgenretree.org - Music genre evolution tree and interactive '1111 Essential Recordings of Music' chart made by a /mu/ poster
rabanetecomquiabo.blogspot.com - Get classical music
gnaural.sourceforge.net - An opensource binaural-beat generator
packet.city - Loud website. Warning: loud
modarchive.org - Large archive of tracked music.
mirsoft.info - Archive dedicated to tracked and midi music from games.
convert.ing-now.com/audio-spectrogram-creator - lets you upload an mp3 file and creates a spectogram image from it
muri.se/misc/soundfx.html - Japanese sound effects and what they mean
15.ai - Deep-learning TTS (text-to-speech) tool for generating voices of various characters.
r-a-d.io - /a/ radio

Coomer stuff:

tblop.com - List of porn sites.
nijibox5.com/futabafiles/kobin/index - Weeb chanstyle site with hentai.
asenheim.org - Coomer games, I think.
ぶっかけ板.net - Moonspeak coomer chan.
f95zone.to - Coomer games.
mikocon.com/forum.php?mod=forumdisplay&fid=46 - Hentai
kagero.g-serve.net/jewel/index.xml - Like.. sex dolls and figurines.
carstuckgirls.com - Images of slutty looking women with their cars "stuck". A fetish for the strange ones.
literotica.com - Everybody probably knows it already but posting just in case. Text porn.
nifty.org - The leading Web 1.0 LGBT text porn site.
tgstorytime.com - Gender-bender stories. Porn and technically not porn.
jqgraves.com - Spanking stories.
findtubes.com - Find Tubes - Free Porn Tube Search Engine.
zooskoolvideos.com - literal beastality
141jav.com - JAV
javbus.com/en - JAV
javlibrary.com/en - JAV
onejav.com - JAV
cosplay.jav.pw - JAV Cosplay
85.17.187.83/saff/index - Extensive porn forum
pornbb.org - pornBB
iafd.com - Internet Adult Film Database
theporndude.com - a big list of porn sites
planetsuzy.org - Porn Forum with a lot of niche categories.
rule34.xxx/index.php?page=post&s=random - If it exists there is porn of it.

Image boards and related sites:

bvffalo.land - A list of image boards.
ratwires.space - Looks like a purple reddit.
bunbunmaru.com/wakaba - Weeb chan.
dreamch.net - Another chan.
wipp.info - tl;dr.
postbox.garden - the post box "image board"
ib.axypb.net/azu/index - azumanga chan
bus-stop.net - The comfiest little board in the world
4stats.io - 4chan board stats
illegal.pics - 4chan image scraper, very well made.
rinchan.loli.rehab - A cool imageboard
info.stylee32.net - some old 4chan infographics, I think mostly from the Information Library from 2010.
namelessrumia.heliohost.org/w/doku - Articles about weeb stuff and chans.
alogs.theguntretort.com/robowaifu - imageboard where they talk about DIY robo waifus
catalog.neet.tv/g - original catalog
desuarchive.org - Archives of many boards (excluding /g/)
rbt.asia/g - /g/ archives (the only one currently running afaik)
4museum-v.neocities.org - static 4chan archive from 2006 to 2008
indiachan.com/b - imageboard for pajeets
orph.link/tripgen - Online tripcode generator

Data compression sites:

encode.su/forum - Encode's Forum (one of the best websites to talk about data compression)
krinkels.org - Krinkels (where game repackers get and share their compression tools)
data-compression.info/index - The Data Compression Resource
compression.ru/index_en - Compression.ru (Russian data compression website)
ethw.org/History_of_Lossless_Data_Compression_Algorithms - History of Lossless Data Compression Algorithms
quixdb.github.io/squash-benchmark - Squash Compression Benchmark
mattmahoney.net/dc/text - (Large Text Compression Benchmark)
mattmahoney.net/dc/10gb - (10 GB Compression Benchmark)
mattmahoney.net/dc/uiq/index - (Generic Compression Benchmark)
maximumcompression.com - Maximum Compression (benchmark of various compression tools last updated in 2011)
github.com/inikep/lzbench - lzbench (in-memory benchmark of open source LZ77/LZSS/LZMA compressors)
github.com/powturbo/TurboBench - TurboBench (benchmark for LZ77, BWT, context mixing and entropy coders)

Text tools and related sites:

eeemo.net - Zalgo
onlinetexttools.com - Useful text tools.
ascii-art-generator.org - Ascii Art creator, allows you to convert images to color or monochrome Ascii Art.
asciiart.club - ASCII Art Generator
rhymezone.com - Helps you find rhymes for words
vulgarlang.com - Builds a constructed language based on vowels and consonants you choose
calligraphr.com/en - Turns your handwriting into a font
texteditors.org - A wiki about the various text editors out there.
pad.riseup.net - collaborative word processor online.
protectedtext.com - a really great place to keep text
rentry.co - another really great place to keep text

Video / TV / Movie / Anime sites:

azm.to - Movie streams
lunchflix.net - Movie streams
ihavenotv.com - Curated list of documentaries
ohh.io - Another movie site
ww2.batflix.org - Another tv show / movie site.
neverthink.tv - Random videos.
peteyvid.com - Search Videos from 70+ Platforms.
stream.allsprk.tv - Random TV channels or something.
lookmovie.io - Another movie site.
.ev01.net - Another movie site.
cafehulu.com - Tv shows and movies
my90stv.com - a 90s tv simulator that lines up youtube videos of shows and commercials to simulate watching random tv channels.
wimp.com/archives - Random videos every day since 2008
subsplease.org - One stop shop for new anime
aqstream.com/jp - streams live japanese tv
animetosho.org - Mirrors latest English subbed anime from Nyaa, Anidex, TokyoTosho, through DDL. Also has NZB for Usenet users.
nibl.co.uk/bots - Download a bunch of anime through XDCC
zfi.org.uk/ArchieSoundboard - Soundboard for /wt/ on /fa/ featuring the Pontiph - ArchieLuxury
popcorntime.sh - like netflix, but free and more complete, VPN needed
vidsrc.me - A database of movies and tv shows which u can use via API.
kitsunekko.net - Subtitles for your Chinese cartoons
petittube.com - Random Youtube videos with less than 10 views
app.kosmi.io - Watch videos (from your pc or online) & play games with friends.
cytu.be - Free, open source synchtube.
ranimepiracy.github.io/index - anime/manga sources
github.com/kaervin/subserv-mpv-plugin - Send subtitles displayed by mpv to your web-browser.
streamlord.com - Good for streaming movies.

Games:

l4cs.jpn.org/gikopoi/flash/gikopoi141_for/flash_gikopoi - Cat Mario game in which you roam around an isometric city repecting Asians.
legendsworld.net/main/legendsworld - Hosts information and download links for hundreds of games in the shooter and adventure genres.
magipack.games - Full game repacks of old, classic & retro games. Compatible with Windows 10!
bluemaxima.org/flashpoint - webgame preservation project
candybox2.github.io - idle game
conwaylife.com/wiki/Main_Page - Conway's Game of Life wiki, talks about the weird behaviours of cetain patterns inside the game.
androidarts.com - Guy does some cool retro console and pc art
vimm.net - Dedicated to nostalgia for many of the greatest game consoles ever.
nintendo.co.jp/n01/index - Old nintendo 64 game websites.
noclip.website - Use only with a reliable GPU. You can load up maps from various 3D games and roam around them on your browser.
pidgi.net/wiki/Special:NewFiles - Official artwork in their source size, generally for Nintendo releases.
suppermariobroth.com - Contains lots of niche and obscure content from the Super Mario Bros. franchise
davidwonn.kontek.net - An archive of obscure video game glitches related to 90s/early 2000s nintendo games
gamepad-tester.com - Test the functions of your controller straight from your browser.
thehbg.shop/main - Switch homebrew
jits.cc - Something about the Switch, either homebrew(s) or rom(s)
unrealarchive.org/index - Maintaining availability of user-created content for the Unreal / Unreal Tournament series of games.
freegames-online.info - game website
fivedots.coe.psu.ac.th/~ad/kinect/installation - Cool stuff to do with your old Xbox Kinect on PC
gamesmountain.com - Roms
theromdepot.com - Roms
lemmykoopa.com/lkmain - Mario fanfic and trivia. Still screams ancient web
fantasyanime.com - Lot's of fan pages to plenty of old jrpgs with guides, screenshots, etc.
fitgirl-repacks.site - Cracked, compressed games to download.
sullla.com - A bunch of experimental autism with some older vidya.
nopaystation.com - A superior way of acquiring VITA, PSM, PSP, PSX, PS3, PS4 Games, DLCs, Themes and Updates
mqp.com/fun - Mostly Gameboy related stuff & GameBoy Book Reader that allows you to make e-books for the system
game.cs-online.club - Play Counter Strike 1.6 in your browser

Alternative / Paranormal / Conspiracy / Bizarre sites:

/imho lot of fake content/

ufocasebook.com - A website that lists details of UFO sightings
dagonbytes.com - "A page dedicated to everything gothic"
spookinite.com - Spooky stories
theshadowlands.net - Website about the paranormal
lindashauntedhalloween.us - Fun halloween website
mulholland-drive.net/studies/theories - A website with a ton of theories related to the movie 'Mulholland Drive'
archive.is/kyiWM - Anti Semitism
softpanorama.org - This site advocates skepticism as an approach to study of both technical and social phenomena.
alexchiu.com - Alex Chiu's immortality rings
futuretimeline.net/index - Some kind of doomer future prediction site.
planecrashinfo.com/lastwords - Pretty much explained in the url, warning: sad.
exitmundi.nl/exitmundi - Dooms day scenarios
cat-v.org - anti-culture technology community
timecube.2enp.com - Time Cube was a personal web page, founded in 1997 by the "wisest man on earth", Gene Ray. RIP
nwowatch.neocities.org - Some guy keeping an eye on the NWO for us.
cubertown.neocities.org - A rabbithole of its own kind. Filled with strange imagery and hatred of consumerism, cool looking though.
hessdalen.org/index_e. - a town in norway that keeps seeing lights in the sky that frequently it decided to document them
whale.to - Conspiracy theories
bfro.net - Bigfoot Field Researchers Organization
abelard.org/choose/choose - something about some mythical thing in Mongolia.
sentimentalcorp.org - Bizarre website
richplanet.net - Professional conspiracy theorist from the UK, lots of content.

Niche interest sites:

manuscriptminiatures.com - An image collection of miniatures depicting armoured figures from the medieval period.
hvartial.kapsi.fi - DIY boats, also vintage site design.
worlddreambank.org - dream database
posemaniacs.com - Hundreds of pictures of various cgi poses
roadcurvature.com - For car guy anons (Find twisty roads)
hackmd.io/@Patchboi/PatchThread - /k/'s patch websites
yahoo.aleado.com/about_yahoo_en - Japanese auctions for non japanese people.
unspokencinema.blogspot.com - blog about Contemporary Contemplative Cinema
ourworldindata.org - objective viewpoints on world change
jacobitemag.com - contemporary culture discussion
hedgehogreview.com - contemporary culture discussion
metamoderna.org - contemporary culture discussion
publicdomainreview.org - contemporary culture discussion
track044.neocities.org - some sort of photographer's personal site, really a wip but cool aesthetic.
dunkleshreken-at-work.neocities.org - an artist portfolio site with some cool hidden links and pages, seems to be under-construction still.
whereareyou.neocities.org - seems to just be a cryptic website for an artist, pretty cool looking though.
collections.royalarmouries.org - something about armour
wiktenauer.com - Historical european martial arts. many scanned combat treatises with transcriptions and translations.
mrblinky.net/tama/go/ezgotchi - Tamagotchi Tama-go points generator
mrblinky.net/tama/friends/ezgotchi/? - Same as above but for Tamagotchi Friends
ukagaka.firma-erichpache.de/intro.html - English resources for Ukagaka, a desktop mascot program with a very autistic userbase

Torrenting sites:

knaben.net - Magnet search engine
zbigz.com - Online torrent client.
unblocked-pw.github.io - Mirrors for good torrent sites.
newtrackon.com/list - List of stable trackers.
alphareign.net - Torrent index
zooqle.com - torrents
dark-libria.it
nyaa.net - Nyaa Torrents (non-cartel version. Made by a fellow /g/entooman when the original Nyaa went down)
acgnx.se - Project AcgnX Torrent (anime tracker)
anix.moe - AniX.Moe (the "Sukebei" of AcgnX)
anirena.com - AniRena (anime tracker)
kinozal.tv - Kinozal (Russian torrent tracker with a focus on films)
nnmclub.to - NNM-Club (Russian tracker)
pornolab.net/forum/index - Pornolab (Russian porn tracker)
rustorka.com - Rustorka (Russian tracker)
forum.touki.ru/open - Touki (Russian anime tracker)
legittorrents.info - Legit Torrents (100% legal torrents)
publicdomaintorrents.info - Public Domain Movie Torrents
bt.etree.org - etree.org Community Bittorrent Tracker (free live convert recordings)
concen.org/torrents - ConCen (tracker with lots of /pol/ and /x/-tier content)
btdb.eu - Download Movies, TV Series, Music for Free Online from Torrent Search Engine
sysinfo.io/bittorrent-ip-blocklists - Bittorrent IP Blocklists
nyaa.si - Best place to torrent your animes from
1337x.to - torrents
rarbg.to - torrents
rutracker.net - torrents
skytorrents.lol - torrents
academictorrents.com - torrents
down.ali213.net - torrents
anidex.info - torrents
cinecalidad.is - torrents
cpabien.tv - torrents
cpasbien.to - torrents
lovetheboxx.be - torrents
share.dmhy.org - torrents
elitetorrent.com - torrents
ettv.tv - torrents
extratorrent.si - torrents
ilcorsaroblu.org - torrents
ilcorsaronero.gratis - torrents
corsaro.red - torrents
kickass-cr.online - torrents
linuxtracker.org - torrents
magnetdl.com - torrents
mejortorrents.net - torrents
rawkbawx.rocks - torrents
rutor.info - torrents
small-games.info - torrents
solotorrent.net - torrents
subtorrents.nl - torrents
sukebei.nyaa.si - torrents
sukebei.nyaa.net - torrents
tokyotosho.info/index - torrents
oxtorrent.cc - torrents
torrentfunk.com - torrents
torrentgalaxy.to - torrents
torrentproject2.com - torrents
uniondht.org - torrents
yourbittorrent.com - torrents
yts.mx - torrents

iOS:

wangchujiang.com/awesome-mac - macOS software in various categories.