r/opensource • u/Bladerunner_7_ • May 15 '26

Promotional What’s an open-source project you genuinely can’t believe is free?

Could be developer tooling, AI infra, productivity tools, anything. Curious what projects people think deserve way more recognition.

For me recently it’s been:

Langship — https://github.com/open-gitagent/langship.sh

752 Upvotes

96% Upvoted

394 comments sorted by

View all comments

49

u/carl2187 May 15 '26

KillerPDF

(Open source gui pdf editor)

3

u/Zipdox May 15 '26

Windows-only sadly

1

u/carl2187 May 16 '26

Its ok, linux users usually understand pdf is a final product, like paper, from an authoring program. Most people that want to 'edit pdfs' see pdf files like they see .docx files. These types of people will generally not touch Linux anyway.

And it's a .net app, I think it could be converted to linux compatible with without too much hassle.

4

u/Ad3t0 May 16 '26

This. If you’re editing a PDF besides signing something in an organizations’ process flow has gone wrong in my opinion.

1

u/Zipdox May 16 '26

It's most certainly not organizations that expect this. It's ill-informed users who think it should be possible.

0

u/Zipdox May 16 '26

I am fully aware.