BookStack vs Guru
BookStack and Guru are both wiki and knowledge base software. BookStack is open source under MIT, with 19k GitHub stars. Guru is a commercial product from Guru Technologies.
Which to pick
- Pick BookStack when
- You want a simple, stable self-hosted documentation wiki that non-technical staff can use.
- Pick Guru when
- Support or sales teams need accurate, owner-verified answers available where they already work.
Side by side
A wiki that organises documentation into shelves, books, chapters and pages, with a WYSIWYG editor, permissions and search.
A knowledge base of verified cards that surfaces answers inside Slack, Teams and the browser, with AI answers and expert verification.
Mainly one maintainer, and development has moved to Codeberg.
Per-seat pricing, and it only works if people keep verifying content.
Production-ready (both)
Self-hosted server
Cloud service and browser extension
PHP, Laravel and MySQL
Not published
Open source, MIT (permissive)
Closed source, sold by Guru Technologies
You can build it into a product you sell, as long as you keep its copyright notice.
Closed source: you use it under the maker's terms and cannot change or resell the code.
19k GitHub stars
No Wikipedia article of its own
Established: started 11 years ago, latest release v26.09.2.
Not known
Other comparisons
More wiki and knowledge base software
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.