Description: PDFsam is an open-source PDF editing software that allows users to merge, split, rotate, mix and extract pages from PDF files. It has a graphical user interface and offers basic PDF manipulation functionalities for free.
Type: software
Pricing: Open Source
Description: Proto.io is a prototyping and wireframing tool used to create interactive prototypes and mockups for web and mobile apps. It allows designers and developers to quickly test ideas and concepts without coding.
Type: software