On 01/21/2011 05:43 AM, Arnaud G wrote: > I know it's not free but I do a lot of pdf work and find it excellent. PDF > studio from qoppa > http://www.qoppa.com/pdfstudio/index.html +1 And for opensource: xournal [PDF Annotate & then File:Export to PDF - save a copy of the xournal for the archive in case you need to correct].