Teach Yourself Computer Science curates resources for building a broad, self-directed computer science education.
New Websites
The latest websites and tools added to the directory.
This paste web app lets users write and share code, and can be hosted independently.
Carryology publishes guides, reviews, interviews and features about bags, luggage, wallets and other carry goods.
Bootstrap Icons is an open-source SVG icon library designed for use with Bootstrap.
Runestone Academy provides free online textbooks for mathematics and computer science.
Train and run models with OneFlow, a scalable deep learning framework for distributed machine learning workloads.
This Telegram channel describes Reusable.email as a temporary mail service and links to its website.
ghostwriter is a distraction-free Markdown editor with downloadable builds for Windows, Linux, and Mac.
Loyola Marymount University offers more than 150 programs, with information about academics and admissions.
CubeTrek manages GPS tracks with an open-source tool and provides example routes.
Read open-access preprints in media, film, and communication studies through MediArXiv.
Perspective Grid provides an adjustable perspective drawing grid with vanishing points, spacing controls, zoom, and screenshot export.
The Marine and Hydrokinetic Data Repository offers open access to marine energy datasets, including records from the PacWave test site.
Failory's Graveyard collects analyses of startup and product failures, including examples from companies such as Amazon and Google.
CertCommunity hosts technical forums, including discussions for Cisco certification tracks.
Hovercats' Planet Crossword is a free collaborative multiplayer crossword designed for streaming and video calls.
Browse downloadable project source code and programming project ideas across languages on Kashipara.
Calculate production chains and resource needs for Factorio and other factory-building games.
Vilnius University reports on its research, studies and innovation activity.
Sophon indexes AI research papers alongside the evaluations, tools, models and capabilities they introduce.
Kunstschrift offers digital issues of an art magazine, with coverage of exhibitions and visual arts.
Scale Sequencer creates melodies and chord progressions through a step grid with selectable scales, including major, minor, and pentatonic.
Promptzy is a native macOS app for syncing AI skills across Claude, Cursor, OpenClaw, and other tools. It also manages prompts, stores them as Markdown, and provides a global launcher.
DyNet is a C++ neural network library with Python bindings, designed for dynamic network structures and CPU or GPU execution.


















