Last checked October 15, 2026
Stirling-PDF
Stirling-PDF merges, splits, converts, and redacts PDFs. The core outside the proprietary directories is MIT. It is not a signature-request product.
Open sourceMIT (core)Small teamsIndividuals
Directories such as app/proprietary and app/saas have their own licenses.
WebSelf-host
Free tier
The community edition can be self-hosted without a per-user fee. Hosted prices are not copied here. Unverified.
Hosted
No hosted price recorded.
Self-host
Easy. A Docker container covers the MIT feature set.
Drop-in scores
Sources checked
https://ditchly.co/software/stirlingpdf