head to head · open source
BookStack vs zeal
BookStack has 19,048 GitHub stars, 2,422 forks, 3 open issues and last shipped yesterday. zeal has 12,796 stars, 844 forks, 107 open issues and last shipped 9 days ago. BookStack leads on adoption by 49% (19,048 vs 12,796 stars). BookStack is written in PHP under MIT; zeal is written in C++ under GPL-3.0. BookStack has attracted 13% as many forks as stars, zeal 7%. BookStack was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (documentation), so they are genuine substitutes rather than adjacent tools.
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
| BookStack | zeal | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 13K |
| License | MIT | GPL-3.0 |
| Written in | PHP | C++ |
| Last push | 2026-09-17 | 2026-09-09 |
| Forks | ⑂ 2.4K | ⑂ 844 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick BookStack if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick zeal if
- You want the zeal feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C++
- You evaluated both and zeal fits your workflow better
About BookStack
BookStack is a self hosted documentation platform written in PHP on top of the Laravel framework, released under the MIT license. It is described by its maintainers as an opinionated platform for storing and organising information and documentation, and it is distributed as an open source project whose development is now managed on Codeberg. The project has existed for roughly eleven years and carries a substantial community footprint, with more than nineteen thousand stars and over two thousand forks recorded against its repository history.
read the full BookStack overview →
About zeal
Zeal is an offline documentation browser: a personal reference library of API and language documentation that is searchable in an instant and available without a connection, built in C++ on Qt and released under the GPL 3.0.
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Frequently asked questions
Is BookStack or zeal more popular?
BookStack has 19,048 GitHub stars and zeal has 12,796. BookStack has the larger community by that measure.
Are BookStack and zeal free?
Both are open source. BookStack is licensed under MIT and zeal under GPL-3.0. Neither carries a licence fee.
What is the difference between BookStack and zeal?
BookStack is written in PHP and zeal in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, BookStack or zeal?
Choose BookStack if you want the larger community (19,048 stars) or its MIT licence terms. Choose zeal if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.