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
PDFedit is a straightforward, open-source solution ideal for users needing basic PDF editing without cost, while PDF-XChange Editor offers a comprehensive suite of tools ideal for professional users requiring advanced features, such as OCR and extensive annotation options.