- desmos - good little graphing calculator website
- zooniverse - citizen science crowdsourcing project. like amazon turk but for public research.
- gibber - a wild interactive audiovisual programming environment
- orca - dwarf fortress meets vim meets a MIDI sequencer
- hundredrabbits - the very cool site of Rek and Devine (person behind Orca + much more) who sail around the world creating software
- realistik studios - ♥♥♥
- libgen - book piracy
- sci-hub - journal piracy
- arxiv - open journal for physics/maths/compsci/astronomy preprints. (convert any article to html5 by changing the URL to use https://ar5iv.org/ instead)
- virtual ANS - turn pictures into music
- ipfs.io - seamless decentralized web protocol for creating an open internet
- awesometapes.com - a huge collection of music from africa
- ubu.com - an archive of avant-garde and experimental literature, film, and music
- tekgnostics library - a huge directoy of weird web
- monoskop - art + humanities wiki
- 0100101110101101 - eva & franco mattes' works (i like BEFNOED)
- wordnik - the best free online dictionary & thesaurus i've found
- lvllvl - cool browser based pixel art thing
- nopaint.art - press Paint if you like what you see or No if you don't.
- robert hodgin - some inspirationally aesthetic simulation projects
- what can a technologist do about climate change? - an article by bret victor written in 2015
- does x cause y? - pitfalls of social science
- cryptii - encrypt and decrypt messages
- nicky case - creative interactive animations and games
- the general index - An enormous database of journal metadata
- everything shii knows - the only reliable source
- national gallery of art - public domain art repository
- met museum - art repository
- europeana - art, fashion, & natural history repository
- play.ertdfgcvb.xyz - really cool generative ASCII art
- HORG - a taxonomy of breadbag clips
- byrne's euclid - an animated reproduction of oliver byrne’s elements from 1847
- quantum country - an explanation of quantum computing with a built-in spaced repetition system
- why books donʼt work - an essay on learning from the maker of the above, andy matuschak
- parametric press issue 02: carbon history - an interactive article that engages you in the history and context of climate change
- the nutrition source - a succinct overview of evidence-supported best practices for food and health
- aesthetics for birds - a blog on art criticism and philosophy
- strong towns - urbanism advocacy
- bartosz ciechanowski - beautiful interactive long-form concept-explaining articles
- seeing theory - probability visualized and explained
- how many plants - a beautifully designed houseplant care resource
- nutshell - inter-site snippetting
- telescopic text - a fun interactive text experiment
- library of babel - the last website you will ever need
- shell check - bash shell script automatic analysis
- koch method to learn morse - learn morse code
- which emoji scissors close - ✂️
- numbers aplenty - fun facts about natural numbers
- everynoise - a scatterplot of snippets of thousands of genres of music
- tero parviainen's website - many cool generative music projects, including a music mouse implementation and beautiful exploration of In C.
- musicForProgramming(); - a collection of minimal musical mixes
- ooh. directory - a community-sourced repository of blogs
- wiby - a search engine for indie websites
- screenplays.io - a large repository of screenplays. read 'em before it gets taken down!
- PTT - the taiwanese bbs
- quote investigator - snopes for quote attribution
- marginalia - indie web search
- squares in squares - square packing world records
- shelby.cool - website #goals
- solarpunks.net - a blog at the intersection of technology, politics, and environmentalism
- solarprotocol.net - a internet network protocol based on serving from whichever server has the most solar power at any given time