/** @no-ai */
Sites and apps made by people, where AI is not the product: games, toys, maps, learning sites and tools. Ordinary search, game opponents and the odd optional extra are fine.
400 websites
400 apps

Yamanote.fun is a free soundscape of a full ride around Tokyo's Yamanote Line: every station melody, chime, announcement and ambience in one journey.
#Fun

Wikipedia Speedruns is a free game where you race from one Wikipedia page to a goal page using only links, with a prompt of the day, party mode and marathons.
#Fun

Sunflowers is a free logic puzzle game, like reverse Minesweeper: use number clues to plant sunflowers in a garden, with daily puzzles and six difficulty levels.
#Fun

Space Now is a free live 3D map of the Solar System: planets, moons, asteroids, comets, the ISS and thousands of satellites, shown where they are right now.
#Fun

ridealong is a free web toy that lets you board a live London Tube train and ride it through a 3D London, using real-time positions from TfL open data.
#Fun

RetroTick is a free x86 emulator in your browser that runs classic Windows and DOS programs: play SkiFree, Minesweeper and FreeCell or drop in your own .exe.
#Fun

Relativity Park is a free 3D simulator where the speed of light is 5 km/h, so you see time dilation, length contraction and Doppler colours at walking pace.
#Fun

Receiptify is a free tool that turns your top Spotify or Last.fm tracks into a shareable shop receipt. Log in and pick a time range.
#Fun

Random Street View is a free site that shows random Google Street View scenes from around the world. Pick a country or just keep clicking to explore.
#Fun

putt.day is a free daily mini golf game: one new hole every day, the same for everyone. Drag back to shoot and sink it in as few strokes as you can.
#Fun

Prince Chazz is a free chess-inspired roguelite in your browser: guide a pixel prince across the board, dodge enemy pieces and race a daily leaderboard.
#Fun

Powder Game is a free classic physics sandbox from DAN-BALL: drop powders, water, fire and wind and watch them interact, then share your creations.
#Fun

Poki is a free online games website with thousands of browser games, from Subway Surfers to Brain Test. No downloads and no account; it is ad-supported.
#Fun
Pixel Thoughts is a free 60-second meditation tool: type a stressful thought into a star and watch it shrink away into space. No account, no ads.
#Fun

Octordle is a free daily word game from Merriam-Webster: solve eight Wordle puzzles at once with 13 guesses. Practice mode included.
#Fun

Mvidia is a free browser game where you build a GPU from scratch, starting with single transistors and working up to logic gates, an ALU and a processor.
#Fun

Minecraft Classic is the free browser version of the original 2009 Minecraft from Mojang: build with 32 blocks and invite friends with a link. No download.
#Fun

The Interactive Middle-earth Map is a free fan map of Tolkien's world with 128 events from The Hobbit, The Lord of the Rings and The Silmarillion and journey paths.
#Fun

Make Everything OK is a free one-button website: press the big magic button and it makes everything OK. A classic tiny web toy for a bad day.
#Fun

Lofi Cities is a free website of pixel-art city nights with endless lofi music composed live in your browser. Pick Tokyo, Paris, New York and more. No sign-up.
#Fun

Little Alchemy is the free original browser game where you combine air, earth, fire and water to discover 580 items, from dinosaurs to spaceships.
#Fun

Lend Me Your Ears is a free Simon-style ear training game: listen to a melody and play it back on the piano, by ear or with sheet music.
#Fun

koi.rest is a free calming koi pond to stare at: the fish are other people visiting at the same time. Add wind, rain or birds and set a timer.
#Fun

JS Paint is a free, open-source remake of classic Microsoft Paint in your browser, with the old tools and menus plus extras like more themes and file formats.
#Fun