Top COD GitHub Repositories & Tools (2026)

A lightweight, pure-Swift library for downloading and caching images from the web.

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org

A tool to enforce Swift style and conventions.

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

"DeepCode: Open Agentic Coding (Agent Harness & Loop Engineering & Multi-Agent Orchestration)"

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

A static analyzer for Java, C, C++, and Objective-C

🖼️ Image Toolbox is a powerful app for advanced image manipulation. It offers dozens of features, from basic tools like crop and draw to filters, OCR, and a wide range of image processing options

Hello world in every computer language. Thanks to everyone who contributes to this, make sure to see contributing.md for contribution instructions!

Open-source, secure environment with real-world tools for enterprise-grade agents.

OpenTUI is a library to build terminal user interfaces (TUI)

Semantic tool routing and typed System One decisions for the Pi coding agent using TypeSafe Jev

IronClaw is an Agent OS focused on privacy, security and extensibility

✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!

Yet another WebUI for Nginx

A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

Agentic Development Environment based on OpenCode AI agent

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Structural overview of a repository: every non-ignored file as a read-only panel on a zoomable canvas

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.