Eclipse Che vs Eclipse Theia
A side-by-side comparison of two self-hosted ides & code editors options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Eclipse Che | Eclipse Theia |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 91 · Excellent | 96 · Excellent |
| Category | IDEs & Code Editors | IDEs & Code Editors |
| License | EPL-2.0 | EPL-2.0 |
| Language | TypeScript | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 1,024 MB |
| Deployment | kubernetes, helm | docker, bare-metal |
| GitHub stars | ★ 7,168 | ★ 21,698 |
| First released | 2016 | 2017 |
| Replaces | Gitpod, GitHub Codespaces | VS Code, GitHub Codespaces |
What are Eclipse Che and Eclipse Theia?
Eclipse Che
Eclipse Che provides browser-based, containerized developer workspaces that run on Kubernetes. Each workspace is reproducible and isolated, giving teams consistent on-demand development environments.
- Browser-based IDE workspaces
- Kubernetes-native isolation
- Reproducible dev environments
- Devfile-driven setup
Eclipse Theia
Eclipse Theia is an extensible platform for building cloud and desktop IDEs using web technologies. It is VS Code extension compatible and fully vendor-neutral.
- Cloud and desktop IDE
- VS Code extension compatible
- Highly customizable
- Vendor-neutral platform
Eclipse Che vs Eclipse Theia: key differences
Both projects are written in TypeScript. Eclipse Theia is the lighter option, starting around 1,024 MB of RAM against 4,096 MB for Eclipse Che. Eclipse Theia has the considerably larger community, at 21,698 GitHub stars versus 7,168. Eclipse Theia lists first-class Docker deployment; Eclipse Che does not.
Why pick each one
Choose Eclipse Che if…
- Released under the EPL-2.0 license
- Kubernetes-ready with Helm charts available
- Mature project with 7.2k GitHub stars
- Written in TypeScript
Choose Eclipse Theia if…
- VS Code extension compatible
- Vendor-neutral open governance
- Desktop and cloud builds
Watch out for
- Aimed at IDE builders
- Smaller ecosystem than VS Code
Frequently asked questions
Is Eclipse Che or Eclipse Theia better?
Eclipse Theia is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Eclipse Che if its specific feature set fits your needs better.
Are Eclipse Che and Eclipse Theia free and open-source?
Yes. Eclipse Che is licensed under EPL-2.0 and Eclipse Theia under EPL-2.0. Both can be self-hosted at no software cost.
Can I run Eclipse Che and Eclipse Theia with Docker?
Eclipse Che: check the project docs for container support. Eclipse Theia: yes.
Which is lighter on resources, Eclipse Che or Eclipse Theia?
Eclipse Theia has the smaller minimum footprint at 1,024 MB of RAM, compared to about 4,096 MB for Eclipse Che. Real-world usage depends on library size, user count, and enabled features.