Structured reasoning framework for Claude Code, Gemini, and Cursor
A web-based IDE for HTML5 game development. Powered by Phaser
Apache NetBeans
Lightweight modular front-end framework for developing web interfaces
Drag and drop website builder javascript library
Completely customizable framework for building rich text editors
Moldable Live Programming for Clojure
FastAPI framework, high performance, easy to learn, fast to code
Build cross-platform desktop apps with JavaScript, HTML, and CSS
Extensible low-code framework for building business applications
A vi-like editor based on Plan 9's structural regular expressions
See cost estimates for Terraform right in your editor
JUCE is an open-source cross-platform C++ application framework
Lexical is an extensible text editor framework
Plugin driven WYSIWYG markdown editor framework
UNIX-like reverse engineering framework and command-line toolset
The headless editor framework for web artisans
The React Framework
Generate type-safe code from SQL
The Twilio SendGrid C# API Library
HTMLPurifier for Laravel 5/6/7/8/9/10/11
An incremental parsing system for programming tools
Generate a CRUD app wrapping your database in seconds
Unity / XNA game patcher and plugin framework
Open Source Canvas Framework