The best open source alternative to Kiro is Zed. If that doesn't suit you, we've compiled a ranked list of other open source Kiro alternatives to help you find a suitable replacement. Other interesting open source alternatives to Kiro are: Aider, Agno, Pythagora, and Continue.
Kiro alternatives are mainly AI Coding Assistants but may also be AI-Powered Editors or AI Coding Agents. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Kiro.
High-performance code editor built in Rust with native AI integration, real-time collaboration, and lightning-fast performance across multiple platforms.

Revolutionary code editor designed for the future of software development, combining blazing-fast performance with intelligent AI collaboration. Built from scratch in Rust to leverage multiple CPU cores and GPU acceleration for unmatched speed.
Key features that set it apart:
Advanced capabilities include edit prediction powered by Zeta language model, interactive programming with Jupyter runtimes, comprehensive Language Server Protocol support, and Vim-friendly modal editing. The growing extensions ecosystem offers hundreds of themes and language support options.
Trusted by world-class developers from React core team, Elixir creator, and leading tech companies. Available for macOS and Linux, with Windows support coming soon. Experience coding at the speed of thought with this next-generation editor.
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.
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.

Agno is a powerful open-source platform for building production-ready AI agents. The platform stands out with its model-agnostic approach, allowing developers to use any LLM from providers like OpenAI, Anthropic, or open-source alternatives.
Key capabilities include:
The platform is designed for high performance and scalability, making it ideal for production environments. With Agno workspaces, teams can go from development to production quickly while maintaining full control over their infrastructure.
A VS Code extension that uses AI to help developers plan, write, test, and deploy full-stack web applications with minimal coding required.

Pythagora transforms the way developers build internal tools by combining AI assistance with practical development features. The platform offers:
Perfect for teams looking to accelerate development while maintaining code quality and control.
Open-source AI code assistant that connects models and context to build custom autocomplete and chat experiences inside your IDE.

Continue is an open-source AI code assistant that empowers developers to build custom autocomplete and chat experiences directly within their IDE.
Key features:
Continue aims to keep developers in flow while coding by removing productivity barriers. Its plug-and-play system makes it easy to get started and integrate with your entire development stack. As an open platform, Continue allows teams to evolve their AI assistant capabilities as new innovations emerge.
Whether you're looking to accelerate development, reduce context switching, or become a leader in AI-assisted coding, Continue provides a powerful foundation for amplifying your development workflow with artificial intelligence.
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.
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.
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 AI coding assistant with multi-file editing, agentic workflows, and model flexibility. Transform your VS Code into an intelligent development environment.

Transform your VS Code into an intelligent development environment with AI assistants that understand your entire codebase. Unlike traditional autocomplete tools, Roo Code provides agentic AI capabilities that can plan, write, and fix code across multiple files simultaneously.
Key advantages over closed alternatives:
Advanced capabilities include:
Privacy-focused design ensures your code stays local unless you choose external APIs. Use .rooignore files to exclude sensitive content and run completely offline with local models for maximum security.
Perfect for both enterprise development and casual coding, Roo Code adapts to your workflow while providing the intelligence of an entire development team right in your editor.
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.
A lightweight, natively built editor. Open source and free forever. Develop any project using any language at speeds like never before.

CodeEdit is an exciting new code editor written entirely and unapologetically for macOS. Develop any project using any language at speeds like never before with increased efficiency and reliability in an editor that feels right at home on your Mac.
It is not meant to replace Xcode but rather supplement it for projects not intended for Apple platforms. We believe every type of developer deserves a great experience and excellent performance.
Key features:
Terminal-based AI coding assistant with 2M token context window, diff review sandbox, and smart context management for building production-ready software.

Plandex is a powerful terminal-based AI coding agent built for serious software development. With its industry-leading 2M token context window and tree-sitter project mapping, it excels at handling large codebases and complex tasks that overwhelm other AI tools.
The agent offers flexible autonomy levels - from fully automated coding to granular step-by-step control. Its diff review sandbox lets you safely stage and review changes across multiple files, execute commands, and automatically debug issues. The smart context management system ensures the AI maintains understanding across large projects.
Key capabilities:
Available as both open source (MIT license) and cloud service. The cloud offering includes $20 monthly credits, quick 30-second setup, and access to fine-tuned models for faster/cheaper edits. With 10,000+ GitHub stars and an active community, Plandex is rapidly becoming an essential tool for AI-assisted development.
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.
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Transform your development experience with AI-powered coding assistance that adapts to your workflow. This intelligent coding companion provides real-time code suggestions, automated debugging, and smart completions to accelerate your programming tasks.
Key features include:
Whether you're building web applications, mobile apps, or enterprise software, this AI assistant helps you write cleaner code faster while reducing common programming errors. The tool learns from your coding patterns to provide increasingly personalized suggestions, making it an invaluable partner for developers at any skill level.
Run 10+ parallel coding agents simultaneously on your machine. Switch between tasks seamlessly while agents work in isolated environments with universal IDE compatibility.

Transform your coding workflow by running multiple AI agents in parallel on your local machine. No more waiting for one agent to finish before starting another task.
Key Benefits:
Perfect for developers who want to:
Built for the AI era, Superset enhances your existing tools rather than replacing them, providing better UX and parallelization capabilities that work seamlessly with your current development setup.
Orchestrate multiple coding agents in parallel for seamless development. Isolated Git worktrees ensure organized workflows.

Emdash is an innovative open-source agentic development environment that transforms how you code by orchestrating multiple agents. Run agents in parallel, each isolated in their own Git worktree, allowing for seamless task management and execution. With over 20,000 downloads, Emdash is trusted by developers worldwide.
Key Features:
Emdash supports over 20 coding agents, including Codex, Cursor, and GitHub Copilot. It auto-detects installed agent CLIs, eliminating setup hassles. Connect seamlessly to MCP servers and enhance your development process with this powerful tool.
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.
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.
Deploy AI agents that build features, fix bugs, and handle complex workflows overnight. Wake up to tested code and ready-to-review pull requests.

Transform your development workflow with AI agents that work around the clock. OmoiOS deploys autonomous agents that execute your feature requests while you rest, delivering tested code and pull requests ready for review by morning.
Key capabilities include:
Perfect for CTOs and founders who need to scale engineering output without scaling headcount. The platform integrates with GitHub, GitLab, VS Code, and major AI providers, fitting seamlessly into existing development workflows.
Pricing starts free with 1 concurrent agent and 5 workflows per month, scaling to enterprise solutions with unlimited agents and custom SLAs. No babysitting required - problems fix themselves through automated retries and self-correction.