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Obsessively detailed database going down to individual episode credits and file hashes. Built for cataloguers, not for browsing.

Modern tracker with a genuinely good interface, per-episode progress and an open API a great many other tools build on.

Upload a child's drawing of a person and it finds the limbs, rigs them and makes the figure dance. Research that turned out purely delightful.

Every knot worth knowing, animated frame by frame so you can scrub back and forth until your hands finally get it.

Industry news since 1998, plus an encyclopedia with staff and voice credits that nothing else in the space matches.

Recommendation-led catalogue with if-you-liked-this chains going back to 2001, plus legal streaming links for each title.

Multilingual anime, manga and light novel database with unusually careful tagging and full regional release information.

The spaced repetition flashcard system serious learners settle on, with shared decks for nearly every subject.

The prestige-layer masterpiece: reset everything for a multiplier, then reset the resets, until the numbers stop having names.

Apple II software preserved and emulated, including the educational titles that an entire generation met at school.

Seattle's novelty institution: rubber chickens, emergency moustaches and an unreasonable number of items shaped like tinned meat.

Gianni Sarcone's workshop of puzzles and illusions, half optical trickery and half mathematical recreation, running since the 1990s.

Thousands of themed collections built by libraries and museums, each one somebody's deliberate decision about what to keep.

Takes a permanent snapshot of a page on demand, including ones the Wayback Machine will not capture. Useful when a page is about to change.

Botanical infinite zoom drifting through flowers, insects and quiet ruins. Best left running on a second screen.

A survivor of the Flash era that converted its best strategy and adventure titles rather than letting them quietly die.

Norwegian classified ads laid out with no grid, no spacing and no mercy, unchanged through every redesign trend since.

The Portuguese web archive, notable for full-text search across its whole history rather than only address lookup.

The preprint server where most physics, maths and computer science appears long before a journal touches it.

Decades of ASCII drawings sorted by subject, from cats to warships, every one of them ready to copy and paste.

Draws boxes, arrows and flowcharts entirely out of monospace characters, for diagrams that live inside code comments.

Recorded terminal sessions replayed as selectable text, genuinely useful to learn from and indistinguishable from real work.

Drop an asteroid of your chosen size on any address and read back the fireball, wind speed and earthquake radius it makes.

Weekly writing on current transits that assumes you want the mechanics rather than the vibes. Unusually technical for the genre.

Generates a genuinely handsome natal chart and flags the rarer patterns, with celebrity charts on hand to compare against.

Wiki of some seventy thousand birth charts with sourced birth times, each graded by how reliable the underlying record is.

Free birth charts, synastry and transit calculators with more configuration options than most paid software. No account required.

The Swiss Ephemeris people: the technical reference the whole field quietly runs on, plus free charts and very long interpretation texts.

Susan Miller's famously long monthly forecasts — several thousand words per sign, published without fail since 1995.

One astronomy image a day since 1995, each with a paragraph from an actual astronomer and an archive going back decades.

Long-running Vedic astrology portal with free kundli generation, matchmaking and a daily panchang in several languages.

The AstroTwins' horoscopes and explainers, including a decent plain-English guide to what a transit actually is.

A gazetteer of the world's odd corners — bone chapels, abandoned observatories, restaurants built inside caves.

Draw a wonky shape and it offers professional illustrations of what it thinks you meant. Ruthlessly effective on anyone who cannot draw.

A cheerful cartoon avatar generator in one fixed illustration style, endlessly recombined and free to use anywhere.

A straightforward cartoon portrait builder with vector output, useful for when a real profile photo is genuinely not an option.

Two decades of other people's terrible family portraits, submitted willingly and captioned by the people in them.

The industry's awards site, and the fastest way to find out what the ambitious end of web design is doing this month.

The sister site, strong on anime and historical portrait makers, with an unreasonable and very welcome number of hair options.

Backgammon against ranked humans, with an analysis pass afterwards that quantifies precisely how reckless your doubles were.

Lorem ipsum made entirely of cured meats, for mock-ups where nobody was going to read the filler text anyway.

Minimalist colour puzzle rooms — yellow, blue, red — where every level teaches you a rule the game never states out loud.

Engineering essays with live diagrams you drag — gears, lenses, GPS, sound — each the clearest thing ever written on its subject.

One-button basketball in which the players, the ball and the court are all changed at random between points, deliberately.

Run a basketball franchise through thirty simulated seasons in an afternoon: drafts, trades, contracts and ageing, all free.

Two-on-two street basketball stripped back to dunking, blocking and a shot meter you will consistently misjudge.

Thousands of recipes in metric with honest timings and star ratings left by people who genuinely cooked the thing.

Photo editor and collage maker aimed squarely at people who want a decent result without learning anything first.