Description: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.
Type: software
Pricing: Open Source
Description: Xfig is an open-source vector graphics editor used to draw diagrams and figures. It supports objects like circles, boxes, lines, spline curves, text, etc. and can export to formats like PDF and PostScript. Common uses are drawing diagrams like flowcharts, UML diagrams, network maps, etc.
Type: software
Pricing: Open Source