Open Source Windsurf Alternatives

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:

• Native AI integration with upcoming LLMs for code generation, transformation, and analysis
• Real-time collaboration including chat, shared notes, and screen sharing
• Agentic editing for seamless human-AI workflow integration
• Built-in debugger with multi-language support
• Native Git integration for staging, committing, and diff viewing
• Remote development capabilities for server-side coding
• Multibuffer editing to work across multiple files simultaneously

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.

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:

• Works with leading AI models like Claude 3, DeepSeek, and OpenAI
• Automatically commits changes with meaningful messages
• Maps and understands your entire codebase for better context
• Integrates with your IDE through comments
• Supports voice commands for hands-free coding
• Handles images and web pages for visual context
• Includes built-in linting and testing

Perfect for both starting new projects and maintaining existing codebases, Aider helps you code faster and smarter through natural conversation with AI.

Pythagora transforms the way developers build internal tools by combining AI assistance with practical development features. The platform offers:

• Intelligent Code Generation - Uses multiple AI agents to plan, write, and review code
• Full-Stack Development - Supports both frontend (React) and backend (Node.js) development
• One-Click Deployment - Streamlines the deployment process with automated configurations
• Built-in Debugging - Features automatic breakpoints and intuitive debugging tools
• Code Review System - Provides AI-powered code reviews while keeping developers in control
• Pair Programming Experience - Acts as an AI coding partner to help solve challenges

Perfect for teams looking to accelerate development while maintaining code quality and control.

Continue is an open-source AI code assistant that empowers developers to build custom autocomplete and chat experiences directly within their IDE.

Key features:

• Flexible model integration: Connect any AI models and context sources
• Customizable autocomplete: Get intelligent code suggestions as you type
• In-IDE chat: Ask questions and get code-aware responses without leaving your editor
• Context-aware: Leverages your codebase, documentation, and other sources for more relevant assistance
• Open and extensible: Build on top of Continue to create tailored AI coding experiences

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.

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:

• Enhanced Productivity: Tabby accelerates your coding process by offering relevant code completions and snippets, reducing the time spent on repetitive tasks.
• Privacy-Focused: As a self-hosted solution, Tabby ensures that your code and data remain secure within your own infrastructure, addressing privacy concerns associated with cloud-based alternatives.
• Customizable and Adaptable: Tabby learns from your codebase and coding style, providing increasingly accurate and personalized suggestions over time.
• Language Agnostic: Supporting a wide range of programming languages, Tabby seamlessly integrates into diverse development environments.
• Resource Efficient: Designed to run efficiently on consumer-grade hardware, Tabby delivers powerful AI assistance without the need for extensive computational resources.
• Open Source: Benefit from a transparent, community-driven development process and the ability to customize Tabby to your specific needs.

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.

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:

• AI-powered coding assistance: Leverage AI for autocomplete, inline editing, and contextual code suggestions
• Full privacy: Retain complete control over your data and models
• Customizable AI integration: Use any LLM model, including local options for enhanced privacy
• VS Code compatibility: Seamlessly transfer your existing themes, keybinds, and settings
• Community-driven development: Benefit from an active open-source community and contribute to the project's growth

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:

• Tab-based autocomplete: Press 'Tab' to apply AI-suggested completions
• Inline editing: Use Ctrl+K to edit selections with AI assistance
• Contextual queries: Ask questions and include files in your prompts with Ctrl+L
• Intelligent search: Utilize AI to perform advanced searches within your codebase
• Fine-tuned generation: Create custom generators for tasks like docstring creation

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.

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:

• Open-source and model-agnostic - Use any AI model including OpenAI, Anthropic, or local LLMs
• Deep project-wide context - Reads your entire codebase for intelligent multi-file refactoring
• Specialized modes - Switch between coding, debugging, and architecture modes on demand
• Task orchestration - Breaks down complex tasks and delegates to specialized AI modes
• Guarded execution - Approve or deny commands while maintaining full control

Advanced capabilities include:

• Multi-file editing with diff-based preservation
• Automated browser testing and verification
• Command execution with permission controls
• Fully customizable modes and behavior rules
• Enterprise-ready with self-hosted model support

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 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:

• Use any AI model - 400+ hosted models, free models, or local models with no vendor lock-in
• Automatic error recovery - Detects errors, runs test suites, and recovers from failures automatically
• Context-aware assistance - Searches for relevant context automatically and looks up library documentation to prevent hallucinations
• Memory bank - Keeps records of your work and preferences to avoid re-explaining your application
• Clear pricing - Pay-as-you-go with your own API keys, or use free/local models
• AI Code Reviews - Automated code review agents that analyze pull requests, suggest improvements, catch bugs, and ensure code quality standards

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.

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:

• macOS Native: Harness the full power of your Mac, something only possible with our completely native architecture developed in Swift.
• Lightweight Yet Powerful: Designed to be lean with limitless potential.
• Completely Open Source: CodeEdit is developed for you by developers like you. Don't like something? Want a new feature? Just create an issue or submit a PR.
• Extensible & customizable: Make CodeEdit your own, tailored to your needs.
• Familiar & Intuitive User Interface: Our user interface is designed to be familiar for ease-of-use and productivity.
• Better tools to get the job done: Feel connected to the code you are writing with tools to keep you on track.

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:

• Mix and match models from OpenAI, Anthropic, Google and others
• Isolated change management with rollback support
• Production-ready code generation
• Automated debugging and testing
• Support for projects with many large files

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.

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:

• AI-powered coding assistance: Leverage advanced AI models to generate code, fix bugs, and refactor with ease.
• Inline prompts: Get context-aware suggestions and explanations as you code, enhancing your understanding and productivity.
• Integrated AI chat: Communicate directly with AI assistants to solve complex problems or brainstorm ideas.
• Debugging support: Utilize AI-enhanced debugging tools to quickly identify and resolve issues in your code.
• Curated AI tool inventory: Access a constantly updated selection of the best AI coding tools, seamlessly integrated into your workflow.

PearAI stands out by offering:

• Open-source transparency: Review every line of code in our public repositories, ensuring trust and community involvement.
• Zero data retention policy: Your code remains private and secure, with no storage on our end.
• Customizability: Tailor the editor to your needs, with options for self-hosting in enterprise environments.

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.

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:

• Enterprise-grade capabilities that help maintain consistency and quality across large teams
• Deep codebase understanding for more accurate and contextual suggestions
• Multi-IDE support including VS Code, Visual Studio, Eclipse, and the full JetBrains suite
• Customizable prompts that can be shared across teams to automate common tasks
• Integration with non-code tools like Notion and Linear for comprehensive context

Trusted by major companies like Indeed, Dropbox, Reddit, and Uber, Cody helps development teams accelerate their workflow while maintaining high code quality standards.