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OpenAlternative

Open Source Claude Code Alternatives

A curated collection of the 14 best open source alternatives to Claude Code.

The best open source alternative to Claude Code is OpenCode. If that does not suit you, we have compiled a ranked list of other open source Claude Code alternatives to help you find a suitable replacement.

Claude Code alternatives are mainly AI Agent Platforms 21. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Claude Code.

Written by OpenAlternative Last updated: June 2, 2026
#1

OpenCode

Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.

Open source AI coding agent that works in your terminal, IDE, or desktop a...

#2

OpenHands

AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self

AI agent platform that runs autonomous coding agents to plan, write, and s...

#3

Zed

A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integratio

A Rust-built code editor from the creators of Atom and Tree-sitter, combin...

#4

Cline

AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.

AI coding agent that runs inside VS Code and the terminal, supporting mult...

#5

Aider

A terminal-based coding assistant that helps you write, modify and understand code through natural language conversations with AI models

A terminal-based coding assistant that helps you write, modify and underst...

#6

Tabby

Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.

Self-hosted AI coding assistant that enhances productivity with context-aw...

#7

Void

Void is an open-source alternative to Cursor, offering AI-powered coding features while maintaining full control over your data and privacy.

Void is an open-source alternative to Cursor, offering AI-powered coding f...

#8

Roo Code

Open-source AI coding assistant with multi-file editing, agentic workflows, and model flexibility. Transform your VS Code into an intelligent developm

Open-source AI coding assistant with multi-file editing, agentic workflows...

#9

Kilo

Open-source VS Code extension with orchestrator, architect, code, and debug modes. Use any AI model, automatic error recovery, and context-aware assis

Open-source VS Code extension with orchestrator, architect, code, and debu...

#10

T3 Code

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

Advanced AI coding assistant that enhances development workflow with intel...

#11

Plandex

Terminal-based AI coding assistant with 2M token context window, diff review sandbox, and smart context management for building production-ready softw

Terminal-based AI coding assistant with 2M token context window, diff revi...

#12

Forgecode

Non-intrusive, lightweight AI coding assistant that integrates seamlessly with your terminal workflow. Get intelligent code suggestions without leavin

Non-intrusive, lightweight AI coding assistant that integrates seamlessly ...

#13

PearAI

PearAI integrates cutting-edge AI tools into a powerful code editor, accelerating your coding process with features like AI chat and inline prompts.

PearAI integrates cutting-edge AI tools into a powerful code editor, accel...

#14

Cody

Advanced AI coding assistant that helps enterprise teams write, fix, and maintain code with enhanced accuracy and consistency across large codebases

Advanced AI coding assistant that helps enterprise teams write, fix, and m...