KillerPDF vs Pympress
Comparing two open source alternatives to Adobe Acrobat. Use the comparison below to decide which one fits your needs.
KillerPDF
GPL-3.0KillerPDF is a lightweight, fully portable PDF editor for Windows. Edit, merge, annotate, and sign PDFs locally with no subscription, accounts, or hidden telemetry anywhere on your computer.
Pympress
GPL-2.0Lightweight GTK PDF presenter for dual-screen setups, showing current slide, next slide, and presenter notes on separate displays.
Side-by-side comparison
| KillerPDF | Pympress | |
|---|---|---|
| License | GPL-3.0 | GPL-2.0 |
| Self-hostable | No | No |
| GitHub Stars | 4,073 | 1,683 |
| Forks | 324 | 116 |
| Open Issues | 48 | 45 |
| Last Commit | Oct 7, 2026 | Mar 29, 2026 |
| First Released | Apr 16, 2026 | Sep 17, 2015 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
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