Suggestion: Since you're publishing in PDF format, how about linking to https://pdfreaders.org/ https://pdfreaders.org/ on your homepage? https://fsfe.org/camp

Suggestion: Since you're publishing in PDF format, how about linking to https://pdfreaders.org/ https://pdfreaders.org/ on your homepage? https://fsfe.org/campaigns/pdfreaders/pdfreaders.en.html https://fsfe.org/campaigns/pdfreaders/pdfreaders.en.html