Best Open Source Claude Code Alternatives

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

High-performance code editor built in Rust with native AI integration, real-time collaboration, and lightning-fast performance across multiple platforms.

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

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

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

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

Open-source AI code assistant that connects models and context to build custom autocomplete and chat experiences inside your IDE.

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

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

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

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

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

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

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

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