The LaTeX2e kernel
Emacs client/library for the language server protocol
Kotlin multiplatform / multi-format serialization
A language for writing HTML user interfaces in Go
A frontend-independent IDE "smartness" server for Elixir
A toolchain for web projects, aimed to provide functionalities
Java JWT: JSON Web Token for Java and Android
Home of the MDN live code editor interactive examples
The static code analysis tool you need for your HTML
The expl3 (LaTeX3) Development Repository
The fastest JSON schema Validator
Write email in Markdown and render them before sending
Static site generator. Simple, customisable, fast, maths with KaTeX
Formatting library as an alternative to C stdio and C++ iostreams
Vue 3 UI library, highly customizability, full TypeScript, performance
Turn any technical book PDF into a Claude Code skill
webrpc is a schema-driven approach to writing backend services
Safely and predictably create, change, and improve infrastructure
Beautifier for javascript
AdminKit is a free & open-source HTML dashboard & admin template
An implementation of the TLS/SSL protocols
Simple, useful and opinionated config loader
No ceremony, just code. Blazing fast, typesafe binary serialization
A Python utility / library to sort imports
JSON that's part of C++