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word-sys's PDF EditorPDF4QT
Free

Free and open source under GPL-3.0-or-later.

 Free

Free and open source; donations are accepted through GitHub Sponsors.

Linux Windows, Linux, Command line
  • Edits text and images on PDF pages
  • Can merge and reorder pages
  • Viewing and editing applications in one project
  • Command-line tool for scripted PDF work
  • Linux only
  • No macOS version
  • Mostly the work of a single principal developer
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-or-later License: MIT
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.