Best Open Source AI Coding Agents using JSX in 2026

Cline

Open-source AI coding agent with frontier models

Stars
60,495
Forks
6,204
Last commit
6 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:

Cursor

OpenCode

AI coding agent with native terminal interface

Stars
146,709
Forks
16,707
Last commit
2 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
71,597
Forks
9,011
Last commit
9 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

T3 Code

AI-powered coding made simple and efficient

Stars
10,179
Forks
1,878
Last commit
3 hours ago

Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Open Source Alternative to:

Claude Code

Superset

Code 10x faster with parallel AI agents

Stars
9,854
Forks
805
Last commit
2 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

Emdash

Code Smarter with Parallel Agents

Stars
4,024
Forks
364
Last commit
15 hours ago

Orchestrate multiple coding agents in parallel for seamless development. Isolated Git worktrees ensure organized workflows.

Open Source Alternative to:

Warp

OmoiOS

Ship features while you sleep with autonomous AI agents

Stars
40
Forks
3
Last commit
9 days 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
60,495
Forks
6,204
Last commit
6 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:

Cursor

OpenCode

AI coding agent with native terminal interface

Stars
146,709
Forks
16,707
Last commit
2 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
71,597
Forks
9,011
Last commit
9 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

T3 Code

AI-powered coding made simple and efficient

Stars
10,179
Forks
1,878
Last commit
3 hours ago

Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Open Source Alternative to:

Claude Code

Superset

Code 10x faster with parallel AI agents

Stars
9,854
Forks
805
Last commit
2 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

Emdash

Code Smarter with Parallel Agents

Stars
4,024
Forks
364
Last commit
15 hours ago

Orchestrate multiple coding agents in parallel for seamless development. Isolated Git worktrees ensure organized workflows.

Open Source Alternative to:

Warp

OmoiOS

Ship features while you sleep with autonomous AI agents

Stars
40
Forks
3
Last commit
9 days 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 JSX

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 JSX.