PDFedit is a free PDF editor for Unix-like operating systems (including Cygwin on top of Windows). It does not support editing protected or encrypted PDF files or word processor-style text manipulation.
License: Open Source
PDFsam is primarily focused on splitting and merging PDFs, making it an ideal choice for users needing basic PDF manipulation. In contrast, PDFedit offers advanced editing features, making it more suitable for users requiring comprehensive editing and annotation capabilities.