42 Best Open-Source Coding Agents in 2026 (Ranked by GitHub Activity)

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.

Lightweight coding agent that runs in your terminal

Write HTML. Render video. Built for agents.

⌥ Coding agent with the IDE wired in. Built by Stencil Labs.

Local open-source AI agent that checks job listings, scores CV fit, and tailors application materials

An open-source AI coding agent that lives in your terminal.

Glamourous agentic coding for all 💘

Superset is an agentic IDE to orchestrate 100+ coding agents in parallel. Run any agent with your own subscription.

Chrome DevTools for coding agents

A coding agent for open models like Kimi K3 and GLM 5.3

A reliable coding agent for complex software engineering tasks.

Persistent file-based planning and context recovery for AI coding agents and long-running tasks

runs anywhere. uses anything

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

from vibe coding to agentic engineering - practice makes claude perfect

AI Code Review with Full Control Over Model Choice and Costs.

Open-source coding agent for your terminal, built in Rust and on a journey of continuous community improvement. Issues and PRs welcome.

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase.

Open-source library of 388 reusable skills, plugins, and agent personas for 13 AI coding tools

Harness engineering beginner tutorial, from 0 to 1

Clone any website with one command using AI coding agents

Open-source LLM router and cost optimizer with an OpenAI-compatible proxy

Agent skill for single-file HTML slide decks, image generation, social covers, and presenter mode

Get 10X more out of Claude Code, Codex or any coding agent

⏩ Source-controlled AI checks, enforceable in CI. Powered by the open-source Continue CLI

ConardLi's open-source Skills collection, featuring web design, knowledge retrieval, image generation, and more.

基于大模型(DeepSeek,OpenAI等)的 GitLab 自动代码审查工具；支持钉钉/企业微信/飞书推送消息和生成日报；支持Docker部署；可视化 Dashboard。

SWE-agent takes a GitHub issue and tries to automatically fix it, using your LM of choice. It can also be employed for offensive cybersecurity or competitive coding challenges. [NeurIPS 2024]

aider is AI pair programming in your terminal

Roo Code gives you a whole dev team of AI agents in your code editor.

Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

Self-hosted AI coding assistant

The AI Code Editor

Open source AI coding agent. Designed for large projects and real world tasks.

Devika is the first open-source implementation of an Agentic Software Engineer. Initially started as an open-source alternative to Devin.

Official implementation for the paper: "Code Generation with AlphaCodium: From Prompt Engineering to Flow Engineering""

Sweep: AI coding assistant for JetBrains

Automata: A self-coding agent

👾 Open source implementation of the ChatGPT Code Interpreter

Turbopilot is an open source large-language-model based code completion engine that runs locally on CPU

An open source implementation of OpenAI's ChatGPT Code interpreter

CLI platform to experiment with codegen. Precursor to: https://lovable.dev