Top COD GitHub Repositories & Tools (2026)

A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes

Burning through your subscriptions too fast? Paying for stuff you never use? Stop guessing. OpenUsage is free and open source.

Claude Code Guide - Setup, Commands, workflows, agents, skills & tips-n-tricks from beginner to power user!

Let your AI coding sessions talk to each other. Coordinate parallel work, exchange reviews, and hand off unfinished work between Claude Code, Codex, and other supported clients. Local-first. Independent sessions.

🧠 The memory that dreams — cross-session memory for DeepSeek Harness. Offline & private, auto-consolidates in its sleep (autoDream), visualized in a memory panel.

llama.cpp fork for significantly improved performance on Ampere (especially RTX 3090 / 3090 Ti): example: 95+ tok/s over a 100K-token generation at temperature 1 for qwen3.8, supporting full 262K ctx.

chad: a coding agent for your macbook pro

MCP server for Blender. 186 tools for modelling, materials, rendering and more, driven by Claude, Cursor, Codex, Ollama, llama.cpp, or any MCP client.

🐶 Automated code review tool integrated with any code analysis tools regardless of programming language

The why layer of repo-native project memory: the reasoning behind a codebase as Markdown in the repo, versioned by Git, for coding agents and humans, so nothing rejected is proposed twice. No database, no daemon, no account.

An Open-Source Asynchronous Coding Agent

Low code web framework for real world applications, in Python and Javascript

Engineering Software Factory - open source, self-hosted, local AI first

Use 30+ AI models (DeepSeek, Kimi, GLM, Claude, GPT-5.5, Gemini, Grok) in GitHub Copilot Chat - free via BYOK. No Copilot Pro needed.

Open-source (AGPL-3.0), self-hosted autonomous coding agent: label a GitHub Issue, get an independently reviewed, merged PR and a tagged release.

Generate diagrams from textual description

One config to rule all your AI agents: portable (every project, every session), effective (curated writing, routing, skills), and safer (destructive-command guard).

The open-source repo for docs.github.com

Self-hosted media server for a small circle of family and friends.

Open-source agent runtime — SSH-native isolation, eBPF egress policy, Kubernetes + LXC backends, GPU passthrough, MCP-native CLI