Top COD GitHub Repositories & Tools (2026)

All AI developers deserve to get paid. Turn your AI prototype into a paid SaaS with open-source infrastructure for usage billing, payments, attribution, affiliates, anti-abuse, and deployment.

Native macOS app to monitor AI usage limits and watch your coding sessions live

bkit Vibecoding Kit - PDCA methodology + Claude Code mastery for AI-native development

💀 PHP unused code detection via PHPStan extension. Detects dead cycles, supports libs like Laravel, Symfony, Twig, Doctrine, PHPUnit etc. Can automatically remove dead PHP code. Able to detect dead code used only in tests. Finds unused methods, constants, properties and enum cases.

Official Go implementation of the Livepeer protocol

Code Signing CLI tool supporting Authenticode, NuGet, VSIX, and ClickOnce

RFCs for the AWS CDK

Node Creative Coding / 3D / Image Processing tool inspired by Quartz Composer

VVdeC, the Fraunhofer Versatile Video Decoder

Claude Code plugin for Elixir/Phoenix/LiveView — 26 specialist agents, Iron Laws enforcement, and Tidewave MCP integration. Plan features with parallel research agents, execute with automatic verification, review with 4-agent parallel audits, and capture learnings as reusable knowledge.

Every past session, subagent, and workflow -- queryable by your agent, browsable by you

SDK monorepo for Ethora chat / messaging platform. (1) Pick an SDK for your frontend stack. (2) Integrate manually or using ethora-setup. (3) Optionally configure app settings, deploy AI agents etc. Server: ethora.com cloud [free]. Dedicated server + SLA option for enterprise customers.

A SkunkScore Calculator for Ruby Code -- Find the most complicated code without test coverage!

PHPUnit extensions and rules for PHPStan

CodeCharta is a visualization tool that transforms complex software architecture and code metrics into interactive, customizable visual maps, empowering everyone to communicate and analyze your codebase. Improve code quality, maintainability, and architectural decisions

Give your AI coding agent a design system. One command installs 500+ quality-graded company DESIGN.md references + skills into Claude Code, Codex, Cursor, and OpenCode. Free, MIT, zero AI calls.

MIME mail encoding and decoding package for Go

Minimal Finite State Machine

Codex CLI multi-account OAuth manager with account switching, health checks, runtime rotation, diagnostics, and recovery tools for @openai/codex

Gerrit Code Review Tool Integration for the IntelliJ Platform