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: SigmaPlot is a graphing and scientific data analysis software. It allows users to easily visualize data, perform statistical analysis, and produce high-quality graphs for publications and presentations.
Type: software