posted 7 years ago
Specifically editing existing PDF files, or just creating new ones? For the latter, CutePDF works well, it installs a virtual printer that you "print" to from any application that supports printing, and the CutePDF printer will generate a PDF copy of the file which you then save where you like.
I've heard LibreOffice has a PDF editor but I haven't personally used it so can't say if it's simple and/or bug free.
The holy trinity of wholesomeness: Fred Rogers - be kind to others; Steve Irwin - be kind to animals; Bob Ross - be kind to yourself