Adobe Acrobat replacements
Last checked:
Provisional. SwitchFreely has not yet run its own Readiness Score tests. Notes below come from each project's own documentation and our desk research, and are labelled where self-reported. We have not invented any test scores.
Stirling-PDF Green Independent alternative
Green for MIT parts only
| Licence | Open core: MIT outside proprietary/ directories |
|---|---|
| Stage | Mature |
| Latest release | v3.1.0 (5 Oct 2026) |
| GitHub stars | 94.2k (14 Oct 2026) |
Not listed? Tools rated Red (decompiled or leaked code, circumvention, trademark misuse, or no licence) are excluded. How we vet.