The LaTeX2e kernel
Home of the MDN live code editor interactive examples
The static code analysis tool you need for your HTML
The expl3 (LaTeX3) Development Repository
Interactive and collaborative code notebooks for Elixir
A tool that automatically formats Python code to conform to the PEP 8
Beautifier for javascript
The fastest JSON schema Validator
webrpc is a schema-driven approach to writing backend services
Formatting library as an alternative to C stdio and C++ iostreams
Write email in Markdown and render them before sending
Emacs client/library for the language server protocol
JSON that's part of C++
Vue 3 UI library, highly customizability, full TypeScript, performance
Dynamic, functional language designed for building scalable apps
Static site generator. Simple, customisable, fast, maths with KaTeX
Import YAML/JSON-formatted configuration files into Keycloak
Safely and predictably create, change, and improve infrastructure
Modern high-performance serialization utilities for Python
Documentation tool for ObjectPascal (Free Pascal, Lazarus, Delphi)
From community websites to web applications, this CSS framework
A toolchain for web projects, aimed to provide functionalities
A language for writing HTML user interfaces in Go
Google's data interchange format
An anti-bikeshedding Kotlin linter with built-in formatter