Picture Collage Maker
- This program helps you easily create photo collages on your Mac.
Photos
- Photos will help you keep your growing library organized and accessible.
PDFpen
- Edit, print, and convert your PDF files with just a few clicks.
PDFelement
- Wondershare PDFelement can help you convert any PDF (even one created from a scan) to any format, as well as allow you to edit, annotate, or sign it.
GNU Octave
- GNU Octave is a free high-level interpreted language.