For maximum privacy and control, you need to self-host any available open-source PDF editors on your own server.

Discover the top 6 open-source PDF editors that offer powerful features and flexibility, making them excellent alternatives to Adobe Acrobat for managing and editing PDF documents.

After exploring the offerings for each tool, PDF24 Creator is easily the best free option around right now. Having tested out ...

At its Build 2025 conference, Microsoft open-sourced a number of apps and tools, including a new command-line text editor for Windows called Edit.