Calligra Suite vs LibreOffice Online
A side-by-side comparison of two self-hosted office suites options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Calligra Suite | LibreOffice Online |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Office Suites | Office Suites |
| License | GPL-2.0 | MPL-2.0 |
| Language | C++ | JavaScript |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | bare-metal, source | docker, source |
| GitHub stars | ★ 300 | ★ 654 |
| First released | 2011 | 2015 |
| Replaces | Microsoft 365 | Microsoft 365, Google Docs |
What are Calligra Suite and LibreOffice Online?
Calligra Suite
Calligra Suite is an open-source office and graphics suite developed by the KDE community, including a word processor, spreadsheet, presentations, and project management tools. It can be deployed on self-managed Linux workstations.
- Word processing
- Spreadsheets
- Presentations
- Project planning
LibreOffice Online
LibreOffice Online is the cloud-based document editing engine maintained by The Document Foundation, providing collaborative editing of text documents, spreadsheets, and presentations. It is the upstream that powers several integrations.
- Collaborative editing
- Documents, sheets, slides
- Open file formats
- Web-based access
Calligra Suite vs LibreOffice Online: key differences
Calligra Suite is written in C++, while LibreOffice Online is built with JavaScript. Licensing differs — GPL-2.0 for Calligra Suite versus MPL-2.0 for LibreOffice Online. Calligra Suite is the lighter option, starting around 512 MB of RAM against 2,048 MB for LibreOffice Online. Calligra Suite is the more established project (first released 2011), while LibreOffice Online arrived in 2015. LibreOffice Online has the considerably larger community, at 654 GitHub stars versus 300. LibreOffice Online lists first-class Docker deployment; Calligra Suite does not.
Why pick each one
Choose Calligra Suite if…
- Fully open source
- Integrates with KDE
Watch out for
- Smaller user base
- Desktop focused
Choose LibreOffice Online if…
- True open-source office
- Strong format support
Watch out for
- Heavy resource use
- Complex to deploy standalone
Frequently asked questions
Is Calligra Suite or LibreOffice Online better?
Neither is universally better. LibreOffice Online has the larger community, while Calligra Suite is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Calligra Suite and LibreOffice Online free and open-source?
Yes. Calligra Suite is licensed under GPL-2.0 and LibreOffice Online under MPL-2.0. Both can be self-hosted at no software cost.
Can I run Calligra Suite and LibreOffice Online with Docker?
Calligra Suite: check the project docs for container support. LibreOffice Online: yes.
Which is lighter on resources, Calligra Suite or LibreOffice Online?
Calligra Suite has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for LibreOffice Online. Real-world usage depends on library size, user count, and enabled features.