BookStack vs KillerPDF
Comparing two open source alternatives to Adobe Acrobat . Use the comparison below to decide which one fits your needs.
BookStack
MITOpen source wiki and documentation platform with a books/shelves/pages model — a simple, self-hostable alternative to Confluence and Notion.
KillerPDF
GPL-3.0Lightweight, portable PDF editor for Windows with no subscription or telemetry.
Side-by-side comparison
| BookStack | KillerPDF | |
|---|---|---|
| License | MIT | GPL-3.0 |
| Self-hostable | Yes | No |
| GitHub Stars | 18,846 | 2,555 |
| Forks | 2,398 | 151 |
| Open Issues | 1 | 15 |
| Last Commit | Jun 23, 2026 | Jun 18, 2026 |
| First Released | Aug 29, 2015 | Apr 16, 2026 |
| Categories | ||
| Tags | — |
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