head to head · open source
BookStack vs zeal
BookStack has 19,122 GitHub stars, 2,433 forks, 3 open issues and last shipped yesterday. zeal has 12,865 stars, 852 forks, 107 open issues and last shipped 3 days ago. BookStack leads on adoption by 49% (19,122 vs 12,865 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.
← all 20902 open source comparisons
Side by side
| BookStack | zeal | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 13K |
| License | MIT | GPL-3.0 |
| Written in | PHP | C++ |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 2.4K | ⑂ 852 |
| 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 A platform for storing and organising information and documentation. Details for BookStack can be found on the official website at Installation Instructions Documentation Demo Instance Screenshots BookStack Blog Issue List Community Discussions Support Options 📚 Project Definition BookStack is an opinionated documentation platform that provides a pleasant and simple out of the box experience. New users to an instance should find the experience intuitive and only basic word processing skills should be required to get involved in creating content on BookStack. The platform should provide advanced power…
read the full BookStack overview →
About zeal
Zeal Zeal is an offline documentation browser: your personal reference library, searchable in an instant and available without a connection. Originally inspired by Dash, it supports the same docset format. Download Binary builds for Windows and other installation options are available on the download page. Windows builds require Windows 10 version 1809 or later. How to use After installing Zeal, go to File → Docset Library , select the docsets you want, and click the Download button. Query and filter docsets Limit the search scope by prefixing your query with a docset name and a colon: cpp:vector To search…
More in Content & Publishing
Related comparisons
More Documentation & Knowledge Base projects
Compare either of these against the rest of the Documentation & Knowledge Base field.
Frequently asked questions
Is BookStack or zeal more popular?
BookStack has 19,122 GitHub stars and zeal has 12,865. 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 (19,122 stars) or its MIT licence terms. Choose zeal if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.