TheSkyLive provides information about celestial objects and tools for exploring and observing the night sky. It includes star maps, a 3D Solar System viewer, visibility listings for planets, comets and asteroids, and guides to eclipses and the Moon. Users can set an observing location, and without one the site defaults to Greenwich.
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Thewiki is a wiki covering anime-related topics, with tutorials and guides. It covers finding anime, manga and light novels, choosing a media player, sourcing content, streaming and downloading anime, and torrenting. It also includes instructions for installing mpv and using RSS to download weekly shows, plus an FAQ and a Discord server for requests and reports.
Thought Maybe is a site presenting documentary films on topics including corporate power, media, surveillance and politics. Featured titles include The Century of the Self, The Trap and The Power of Nightmares.
ThrustCurve is an educational resource for documentaries, courses, books, reference material, or self-learning.
The TIB AV-Portal is a platform for scientific videos and audios in fields including technology/engineering, architecture, chemistry, information technology, mathematics and physics. It offers services such as quoting scientific videos with persistent identifiers, curating personal film programmes, publishing videos and producing videos with support. Content includes lecture series and digitised film collections.
Tobari is a free manga reader for phone, tablet and computer that supports manga, manhwa and webtoons. It offers offline reading, themes, a built-in library of 350+ sources, and no account or ads. Users can move a Mihon or Tachiyomi library over, keeping series, categories and reading progress.
Tony Bela is an illustrator, graphic designer and cartoonist who produces infographics, including space-themed posters covering NASA, SpaceX and Starship missions. Some infographics are offered free for educational and non-profit projects, with high-resolution downloads available through Patreon.
Toonily is an online reading site for manhwa and webtoons translated into English, with a catalog of series and daily updates. The page lists latest releases, trending, completed, and new titles.
A free tool, mobile app and website for students and travelers, mapping 1200 years of Greek literature to the cities, peoples and monuments of the ancient world. It provides 886 ancient texts in digital form and 8150 mapped historic places, with texts and places stored on-device so no internet access is necessary.
Toys from Trash is a gallery page of Arvind Gupta's fun science toys, hosted at ArvindGuptaToys.com and made by Samir Dhurde. It presents topic categories including Air and water, Astronomy, Biology, Electricity and Magnetism, Math Magic, Paper Fun and Spinning Toys.
TracesOfWar is an educational resource for documentaries, courses, books, reference material, or self-learning.
TracesOfWar is described as a leading non-profit World War II database at tracesofwar.com. Its X account offers an app to discover and explore history around the corner and also has a Dutch-language account.
Track The Sky is a real-time 3D satellite tracker that follows over 9,000 satellites on an interactive 3D globe using live orbital data. It covers categories including space stations, Starlink, GPS and weather satellites. Features include clickable orbit paths, ground tracks, altitude and velocity, and overhead pass predictions.
Trans Reads is a collection of free trans-focused literature, offering books, essays, zines, chapters and articles by, for or about people who transcend western gender norms. It launched in 2019, runs on donations, and accepts uploaded texts and volunteer help.
Transit Finder is an educational resource for documentaries, courses, books, reference material, or self-learning.
Travel Remotely is an educational resource for documentaries, courses, books, reference material, or self-learning.
Tripoli Rocketry is an educational resource for documentaries, courses, books, reference material, or self-learning.
True Size of Countries is a free map website that shows the true size of each country on the Mercator projection. Users overlay the correct shape and size of countries on an interactive map to see the world without the projection's distortions, which grow toward the poles.
TrueToneGuitar is an educational resource for documentaries, courses, books, reference material, or self-learning.
TutsPlus is an educational resource for documentaries, courses, books, reference material, or self-learning.
Txtdot is a code project with source, releases, documentation, or setup notes.
An online resource that curates links to longform journalism, essays and nonfiction articles from writers and publications. Its collections cover topics including science, psychology, politics, technology, AI, the environment, true crime, memoir and travel writing.
U-boat Archive helps find books, reading material, archives, or public-domain educational texts.
UAVs FYI is an educational resource for documentaries, courses, books, reference material, or self-learning.