PdfDing vs Sioyek
Comparing two open source alternatives to Adobe Acrobat and Foxit Reader . Use the comparison below to decide which one fits your needs.
PdfDing
AGPL-3.0Self-hosted PDF manager, viewer, and editor with multi-device sync, tagging, and an in-browser reader; deployable via Docker.
Sioyek
GPL-3.0Cross-platform PDF viewer focused on textbooks and research papers with smart navigation, marks, bookmarks, and bibliography jumping.
Side-by-side comparison
| PdfDing | Sioyek | |
|---|---|---|
| License | AGPL-3.0 | GPL-3.0 |
| Self-hostable | Yes | No |
| GitHub Stars | 1,849 | 9,773 |
| Forks | 119 | 357 |
| Open Issues | 11 | 321 |
| Last Commit | Aug 15, 2026 | Aug 15, 2026 |
| First Released | Nov 27, 2024 | Jul 11, 2021 |
| Categories | ||
| Tags |
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