Best Open Source AI Coding Tools

Open source ai coding tools, ranked by score and analyzed honestly. Part of our AI & Machine Learning coverage.

Ranked by score. Updated weekly.

1

opencode

90

The open source coding agent.

177,116TypeScriptpermissive
2

cline

86

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

63,632TypeScriptpermissive
3

CodeWhale

85

DeepSeek + MiMo coding agent in terminal

38,815Rustpermissive
4

aider

83

aider is AI pair programming in your terminal

46,551Pythonpermissive
5

DeepSeek-Reasonix

79

DeepSeek-native AI coding agent for your terminal. Engineered around prefix-cache stability — leave it running.

23,679TypeScriptpermissive
6

codeburn

79

See where your AI coding tokens go. Interactive TUI dashboard for Claude Code, Codex, and Cursor cost observability.

8,161TypeScriptpermissive
7

oh-my-openagent

78

omo; the best agent harness - previously oh-my-opencode

63,192TypeScriptunknown
8

html-anything

77

✨ The agentic HTML editor — your local AI agent writes the HTML, you ship it. 🚀 75 Skills × 9 Surfaces (magazine · deck · poster · XHS / tweet · prototype · data report · Hyperframes) 🛡️ Sandboxed preview · 📤 1-click to WeChat / X / Zhihu / HTML / PNG 🔑 Zero API key — Claude Code / Cursor / Codex / Gemini / Copilot / OpenCode / Qwen / Aider.

7,042HTMLpermissive
9

kimi-code

75

The Starting Point for Next-Gen Agents

2,617TypeScriptpermissive
10

claurst

72

Your favorite Terminal Coding Agent, now in Rust & a Breakdown of the Claude Code leak & discoveries

9,839Rustcopyleft
11

superset

71

Code Editor for the AI Agents Era - Run an army of Claude Code, Codex, etc. on your machine

11,971TypeScriptsource_available
12

gptme

71

Your agent in your terminal, equipped with local tools: writes code, uses the terminal, browses the web. Make your own persistent autonomous agent on top!

4,334Pythonpermissive
13

deepclaude

71

Use Claude Code's autonomous agent loop with DeepSeek V4 Pro, OpenRouter, or any Anthropic-compatible backend. Same UX, 17x cheaper.

2,147JavaScriptpermissive
14

DeepSeek-GUI

69

AI agent workspace for DeepSeek models, with Code and Claw modes built into your application.

4,682TypeScriptpermissive
15

codex-plusplus

69

Codex++ tweak system for the Codex desktop app

3,335TypeScriptpermissive
16

claude-usage

67

A local dashboard for tracking your Claude Code token usage, costs, and session history. Pro and Max subscribers get a progress bar. This gives you the full picture.

1,872Pythonpermissive
17

smallcode

65

AI coding agent optimized for small LLMs. 87% benchmark with 4B-active model.

1,911JavaScriptpermissive
18

keep-codex-fast

64

A backup-first Codex skill for keeping local Codex state fast, clean, and recoverable.

1,421Pythonpermissive
19

hapi

63

App for Claude Code / Codex / Gemini / OpenCode, vibe coding anytime, anywhere

4,317TypeScriptstrong-copyleft
20

codex-shim

62

Local Responses-API shim that exposes Factory BYOK models (and optional ChatGPT GPT-5.5 passthrough) to Codex Desktop.

997Pythonpermissive

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