The best open source alternative to Roo Code is Zed. If that doesn't suit you, we've compiled a ranked list of other open source Roo Code alternatives to help you find a suitable replacement. Other interesting open source alternatives to Roo Code are: Aider, Tabby, Void, and Kilo.
Roo Code alternatives are mainly AI Coding Assistants but may also be AI-Powered Editors or General Purpose Editors. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Roo Code.
A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.

Zed is a code editor built from scratch in Rust, designed to make full use of multiple CPU cores and your GPU. The result is an editor that feels noticeably faster than most alternatives at startup, during file navigation, and while typing. It comes from the team behind Atom and Tree-sitter, and that experience shows in how carefully each feature is implemented.
The AI integration goes well beyond a chat sidebar. Zed lets you run multiple agents in parallel across different projects, delegate tasks and watch changes happen live, and bring in models from providers like Anthropic, OpenAI, or others via ACP. If you prefer a lighter touch, the inline assistant lets you send selected code directly to a model for transformation without breaking your flow. Edit prediction, powered by Zeta (an open-weight model), anticipates your next edit as you type. Tools like Aider take a similar agentic approach, but Zed does it natively inside the editor itself.
Collaboration is built in at a deep level. You can code with teammates in real time, share your screen and project, and chat without leaving the editor. Remote development is also supported: the UI runs locally while the actual codebase lives on a remote server.
Key capabilities include:
Zed targets developers who've felt the sluggishness of Electron-based editors and want something that keeps up with how fast they think. It's a strong alternative to editors like CodeEdit for macOS users who want a native feel, but with broader platform support (macOS, Linux, and Windows) and a more mature feature set. The combination of raw speed, real-time collaboration, and deep AI tooling in a single editor is what makes it stand apart.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
A terminal-based coding assistant that helps you write, modify and understand code through natural language conversations with AI models

Aider transforms your terminal into an intelligent coding companion. It seamlessly integrates with your existing workflow, supporting over 100 programming languages and working directly with your codebase through Git integration.
Key capabilities include:
Perfect for both starting new projects and maintaining existing codebases, Aider helps you code faster and smarter through natural conversation with AI.
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.

Tabby is a revolutionary self-hosted AI coding assistant that transforms the way developers write code. By leveraging advanced machine learning techniques, Tabby provides intelligent, context-aware code suggestions that seamlessly integrate into your existing workflow.
Key benefits of Tabby include:
By combining the power of AI with the control and security of self-hosting, Tabby empowers developers to write better code faster while maintaining full ownership of their development process.
Void is an open-source alternative to Cursor, offering AI-powered coding features while maintaining full control over your data and privacy.

Important: Work on Void is currently paused. Some features may be outdated or broken.
Void is an innovative open-source AI code editor that combines the power of artificial intelligence with full privacy and control. As a fork of VS Code, it offers a familiar environment while introducing cutting-edge AI features to enhance your coding experience.
Key features:
Void stands out with its commitment to privacy and flexibility. Unlike proprietary alternatives, you can host your own models locally or connect directly to your preferred LLM providers. This approach ensures that your code and data remain under your control while still benefiting from advanced AI capabilities.
The editor offers a range of powerful features, including:
Void is ideal for developers who value both innovation and privacy in their coding tools. Whether you're working on personal projects or sensitive enterprise applications, Void provides the AI-powered features you need without compromising on data security or flexibility.
Open-source VS Code extension with orchestrator, architect, code, and debug modes. Use any AI model, automatic error recovery, and context-aware assistance.

Open-source AI coding agent that transforms how you write code in VS Code. Features multiple specialized agent modes including Orchestrator for breaking down complex projects, Architect for planning, Code for implementation, and Debug for troubleshooting.
Key advantages:
Built as a fully open-source tool with no training on your code and complete source code access. Start free with up to $25 in credits, then scale with usage-based pricing. Perfect for developers who want the power of AI coding assistance without the restrictions of closed-source alternatives.
Non-intrusive, lightweight AI coding assistant that integrates seamlessly with your terminal workflow. Get intelligent code suggestions without leaving your command line.

Transform your terminal into a powerful development environment with AI-powered coding assistance that works exactly where you need it. This lightweight tool integrates seamlessly into your existing workflow without disrupting your development process.
Key advantages:
Perfect for developers who prefer working in the terminal and want intelligent code suggestions without the overhead of heavy IDEs. The tool provides contextual assistance while maintaining the speed and simplicity that terminal users love.
Whether you're writing scripts, debugging code, or exploring new frameworks, you get AI pair programming capabilities directly in your command line environment. Join thousands of developers who have already enhanced their terminal-based development workflow with this efficient coding assistant.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
PearAI integrates cutting-edge AI tools into a powerful code editor, accelerating your coding process with features like AI chat and inline prompts.

PearAI is an innovative open-source AI-powered code editor designed to supercharge your development process. By seamlessly integrating a curated selection of the best AI tools, PearAI offers a unique coding experience that feels like magic.
Key features:
PearAI stands out by offering:
Whether you're a seasoned developer or just starting out, PearAI's intuitive interface and powerful AI capabilities will help you write better code faster. Experience the future of coding with PearAI and transform your development process today.
Advanced AI coding assistant that helps enterprise teams write, fix, and maintain code with enhanced accuracy and consistency across large codebases

Cody is a powerful AI coding assistant designed specifically for enterprise development teams. It goes beyond basic code completion by providing intelligent assistance for writing, fixing, and maintaining code across complex codebases.
Key benefits include:
Trusted by major companies like Indeed, Dropbox, Reddit, and Uber, Cody helps development teams accelerate their workflow while maintaining high code quality standards.