Best Open Source AI Coding Agents using OpenAI in 2026

Cline

Open-source AI coding agent with frontier models

Stars
60,887
Forks
6,261
Last commit
12 hours ago

Open-source AI coding agent offering direct access to frontier models with complete transparency. Features Plan Mode, MCP integration, and zero vendor lock-in.

Open Source Alternative to:

Claude Code

OpenCode

AI coding agent with native terminal interface

Stars
148,502
Forks
17,014
Last commit
9 hours ago

Native terminal UI AI coding agent with LSP support, multi-session capability, shareable links, and compatibility with 75+ LLM providers including Claude Pro.

Open Source Alternative to:

Claude Code

OpenHands

Open-source platform for scalable cloud coding agents

Stars
71,963
Forks
9,070
Last commit
11 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Open Source Alternative to:

Claude Code

Superset

Code 10x faster with parallel AI agents

Stars
9,959
Forks
816
Last commit
8 hours ago

Run 10+ parallel coding agents simultaneously on your machine. Switch between tasks seamlessly while agents work in isolated environments with universal IDE compatibility.

Open Source Alternative to:

Warp

OmoiOS

Ship features while you sleep with autonomous AI agents

Stars
43
Forks
3
Last commit
9 hours ago

Deploy AI agents that build features, fix bugs, and handle complex workflows overnight. Wake up to tested code and ready-to-review pull requests.

Open Source Alternative to:

Cursor

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Cline

Open-source AI coding agent with frontier models

Stars
60,887
Forks
6,261
Last commit
12 hours ago

Open-source AI coding agent offering direct access to frontier models with complete transparency. Features Plan Mode, MCP integration, and zero vendor lock-in.

Open Source Alternative to:

Claude Code

OpenCode

AI coding agent with native terminal interface

Stars
148,502
Forks
17,014
Last commit
9 hours ago

Native terminal UI AI coding agent with LSP support, multi-session capability, shareable links, and compatibility with 75+ LLM providers including Claude Pro.

Open Source Alternative to:

Claude Code

OpenHands

Open-source platform for scalable cloud coding agents

Stars
71,963
Forks
9,070
Last commit
11 hours ago

Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.

Open Source Alternative to:

Claude Code

Superset

Code 10x faster with parallel AI agents

Stars
9,959
Forks
816
Last commit
8 hours ago

Run 10+ parallel coding agents simultaneously on your machine. Switch between tasks seamlessly while agents work in isolated environments with universal IDE compatibility.

Open Source Alternative to:

Warp

OmoiOS

Ship features while you sleep with autonomous AI agents

Stars
43
Forks
3
Last commit
9 hours ago

Deploy AI agents that build features, fix bugs, and handle complex workflows overnight. Wake up to tested code and ready-to-review pull requests.

Open Source Alternative to:

Cursor

Open Source AI Coding Agents using OpenAI

A curated collection of the best open source tools that use AI to write, debug, and optimize code automatically, helping developers build software faster with intelligent suggestions and automated programming assistance. using OpenAI.