Theia IDE
AI-native open-source IDE for cloud and desktop.
Pricing: open_source — Free to use · Visit website
Theia IDE is an AI-native, modern, open-source development environment that runs on both desktop and in the cloud. It offers transparent AI assistance with full control over your data and supports the Language Server Protocol (LSP). Theia IDE seamlessly integrates with VS Code extensions, providing a rich ecosystem of tools for developers.
Pros
- AI-native with transparency
- Full control over data
- Supports LSP and VS Code extensions
Cons
- Not as widely adopted as VS Code
- Limited community support compared to major IDEs
FAQ
Is Theia IDE free?
Yes, it is open source.
Does Theia IDE require an internet connection?
No, it can run on both cloud and desktop.
Can I use VS Code extensions with Theia?
Yes, it supports seamless integration with VS Code extensions.
Top alternatives
Open source AI coding agent for writing code in terminal or IDE.
OpenCode AI offers code completion and documentation generation, enhancing coding efficiency similar to Theia IDE's extensible development e
Codeium integrates AI into your coding workflow.
Codeium offers AI-powered code completion for a wide range of programming languages, enhancing coding efficiency.
Hermes IDE for AI-assisted development.
Hermes IDE offers a free plan for developers, similar to Theia's open-source model but with no setup costs.
AI tools for developers to boost productivity.
AI For Developers offers integrated AI tools for coding assistance, differing from Theia's open-source IDE focus.
AI-driven coding assistant for developers.
Trae offers a free tier with limited features, while Theia is fully open-source without licensing costs.
Last updated: 2026-07-29