5 Best Open Source JetBrains Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to JetBrains in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for JetBrains in 2026? The top open-source alternative is Zed — High-performance, multiplayer code editor.
Other highly rated open-source JetBrains alternatives include CodeEdit, Forgecode and Tabby.
High-performance, multiplayer code editor
Zed is a high-performance, multiplayer code editor crafted for speed and collaboration with humans and AI. Built from scratch in Rust to efficiently leverage multiple CPU cores and your GPU, Zed delivers native-speed performance for editing, navigating code, and running tools. - Blazing Fast: Written in Rust to maximize CPU/GPU utilization and deliver native-speed performance. - Multiplayer Collaboration: Code together in real-time with teammates, chat, and screen sharing. - AI Agent Support: Run agents in parallel for intelligent code editing, navigation, and tool execution. - Cross-Platform: Available for macOS, Linux, and Windows. - Minimalist Design: Focused on speed and efficiency without unnecessary bloat. - Extensions Ecosystem: Extend functionality with a growing library of extensions. - Built-in AI Tools: Native support for AI-powered coding assistance and automation. Zed is open-source and self-hostable, with the core editor and collaboration features available for deployment. The Rust-based architecture ensures high performance and scalability. For teams, Zed offers business plans with advanced collaboration and AI features.
Native macOS code editor built in Swift
CodeEdit is a lightweight, natively-built code editor designed exclusively for macOS. Developed entirely in Swift, it leverages the full power of Apple hardware for unmatched performance and reliability. - macOS Native: Built from the ground up for macOS using Swift, ensuring optimal performance and integration. - Lightweight Yet Powerful: Designed to be lean while offering limitless potential for customization and extensibility. - Open Source: Completely open source, allowing developers to contribute, modify, or extend functionality. - Extensible & Customizable: Tailor the editor to your workflow with a familiar and intuitive user interface. - Familiar UI: Designed for ease-of-use and productivity, ensuring a smooth user experience. - Better Tools: Includes tools to keep you connected to your code and improve your workflow efficiency. - Community-Driven: Actively shaped by its community, with contributions from developers worldwide. CodeEdit is a desktop application built for macOS and does not require self-hosting. The source code is available on GitHub for contributions and customization.
AI coding harness that runs inside your terminal, mixes LLMs per task, and uses multi-agent architecture to handle large codebases without bloating context.
AI coding harness that runs inside your terminal, mixes LLMs per task, and uses multi-agent architecture to handle large codebases without bloating context.
Open-source self-hosted AI coding assistant
Tabby is an open-source AI coding assistant designed to help developers code faster and smarter. It provides secure, flexible, and transparent AI-powered coding assistance with features like code completion, inline chat, and an answer engine—all while ensuring data privacy through self-hosting. - Code Completion: AI-powered suggestions that predict and complete your next coding move. - Inline Chat: Real-time AI chat directly within your code editor for instant assistance. - Answer Engine: Get instant coding answers without leaving your IDE. - Data Connectors: Connect data sources to enable smarter AI assistance tailored to your projects. - Agent (Pochi): A full-stack AI teammate that plans, executes, and checks tasks like a human developer. - Self-Hosting: Deploy Tabby on your own infrastructure for full control over data and privacy. - Multi-Model Support: Compatible with various AI models for flexibility in model choice. - IDE Integration: Works seamlessly with popular IDEs like VS Code, JetBrains, and more. Tabby is open-source and can be self-hosted on your own servers or cloud infrastructure. It supports deployment via Docker, Kubernetes, and direct installation. The platform is designed for scalability, security, and customization, making it suitable for teams and enterprises that prioritize data privacy and control. Documentation and setup guides are available for easy deployment and management.
AI coding analytics for developers
WakaTime provides AI-powered coding analytics to help developers, teams, and organizations measure and optimize AI tool usage. - AI Cost Tracking: Monitor AI spend across models with per-developer breakdowns to stay on budget - AI Adoption Metrics: Track which AI models developers use and the ratio of AI-generated vs human-written code - AI Effectiveness Analysis: Measure how often AI-generated code is modified to prove real productivity gains - Model Efficiency Comparison: Compare tokens per line and prompt length across models to balance quality and cost - Per-Model Breakdown: Detailed insights into lines changed, tokens spent, and estimated costs by model (Claude Code, Cursor, Copilot, etc.) - Prompt Length Analysis: Understand developer interaction patterns with AI tools through input context measurement - 100+ Editor/IDE Support: Works with popular tools including VS Code, IntelliJ, Neovim, Chrome, Firefox, and terminal-based AI assistants - Team & Company Dashboards: Visualize adoption trends and ROI across engineering teams WakaTime offers both cloud and self-hosted options. The open-source wakatime-cli can be self-hosted for complete data control. The platform is GDPR compliant and prioritizes developer privacy with local data processing before optional cloud sync.
About JetBrains
A cutting-edge software vendor specializing in the creation of intelligent development tools