AI coding agents are changing how developers write and maintain code.
These tools act like intelligent teammates: they understand prompts, generate functions, refactor existing projects, and even build apps end-to-end.
Browse this collection of free and open-source AI coding agents to find ones that fit your workflow, from CLI-based assistants to in-browser AI coders.
💡 Not sure which one to choose?
If you are looking for the most popular and reliable solutions, check out our curated guide: 7 Best CLI AI Coding Agents
See exactly how many tokens your AI CLI agent consumes with Tokentap's real-time proxy dashboard for Claude Code, OpenAI Codex, and Gemini CLI.
A free CLI coding assistant powered by Mistral Devstral 2. Learn how this open-source AI agent automates coding tasks in your terminal.
Use Kimi CLI as your terminal AI coding assistant. Free open-source tool with Zsh support, ACP/MCP compatibility, and dual-mode operation.
A free desktop app that automates software development through autonomous AI agents. Run parallel coding sessions with built-in QA validation.
We tested dozens of open-source CLI AI coding agents and picked the 7 that genuinely work best for developers in 2026, based on GitHub stars and how they perform in real projects.
A free, open-source coding agent that integrates with GitHub repositories to analyze, understand, and contribute to codebases automatically.
A free AI coding assistant that switches between GPT-5, Claude 4, and local models. Zero telemetry, full privacy control.
An open-source command-line AI agent supporting multiple language models for code generation. Switch between OpenAI, Claude, and Gemini in your terminal.
Yet another open-source command-line AI tool that supports multiple LLM providers. A fork of Gemini CLI.
A new free command-line AI coding agent that helps you understand, edit, and automate large codebases.
The open-source command-line AI tool powered by Grok. Automate tasks, write code, and manage your projects with xAI's powered Grok model.
Gemini CLI brings Google's AI directly to your terminal for free. 60 requests/min, 1M token context, open-source. Perfect for developers.
An open-source terminal tool that lets you code with AI assistance from OpenAI, Claude, or Gemini.
Build React Native apps faster with Cali! This free AI agent automates builds, manages dependencies, and solves common dev pain points.
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