head to head · open source
LibreOffice vs Pdf_Tools
LibreOffice has 4,375 GitHub stars, 945 forks, 0 open issues and last shipped yesterday. Pdf_Tools has 582 stars, 38 forks, 11 open issues and last shipped yesterday. LibreOffice leads on adoption by 652% (4,375 vs 582 stars). LibreOffice is written in C++ under GPL-3.0; Pdf_Tools is written in Kotlin under Apache-2.0. LibreOffice has attracted 22% as many forks as stars, Pdf_Tools 7%. LibreOffice was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| LibreOffice | Pdf_Tools | |
|---|---|---|
| GitHub stars | ★ 4.4K | ★ 582 |
| License | GPL-3.0 | Apache-2.0 |
| Written in | C++ | Kotlin |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 945 | ⑂ 38 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LibreOffice if
- You weight community size — 4.4K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick Pdf_Tools if
- You want the Pdf_Tools feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and Pdf_Tools fits your workflow better
About LibreOffice
LibreOffice is an integrated office suite written in C++ and distributed under GPL 3.0. It lives in the open source productivity and office suite ecosystem, and it positions itself as an open alternative to Microsoft 365. The Document Foundation backs the project as a community of enterprises, developers, and volunteers.
read the full LibreOffice overview →
About Pdf_Tools
PDF Toolkit is an open source, privacy first PDF editor for Android, written in Kotlin and aimed at anyone who needs to merge, split, compress, convert, annotate, or sign PDF documents entirely on the device, with no internet connection and no account.
read the full Pdf_Tools overview →
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Frequently asked questions
Is LibreOffice or Pdf_Tools more popular?
LibreOffice has 4,375 GitHub stars and Pdf_Tools has 582. LibreOffice has the larger community by that measure.
Are LibreOffice and Pdf_Tools free?
Both are open source. LibreOffice is licensed under GPL-3.0 and Pdf_Tools under Apache-2.0. Neither carries a licence fee.
What is the difference between LibreOffice and Pdf_Tools?
LibreOffice is written in C++ and Pdf_Tools in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, LibreOffice or Pdf_Tools?
Choose LibreOffice if you want the larger community (4,375 stars) or its GPL-3.0 licence terms. Choose Pdf_Tools if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.