Not many options Some useful online options (with links to the source code) : Open-Source PDF Editor — r/open source — Reddit Aug 22, 2022 — I just want to view and edit PDFs on my Windows. This is how I will does it Open Source PDF Reader? It does not work for me. There's a small, limited feature set, no automatic updates, is a Windows only, not available on Mac or Linux (although there are a handful of developers working on it for that) and it's free — 0? I don't want to download and install something for free. Let's look for an alternative.