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Office · free alternative

Stirling PDF

Self-hosted PDF toolkit for merging, splitting, and converting files.

Licence
MIT
Platforms
web, self-hosted
Self-hostable
Yes
Pricing model
open-core
Language
Java
Repo activity
Last release October 24, 2026
GitHub stars
95,061
Last verified
October 24, 2026

Replaces

The paid products this tool can replace, at their public list price.