ExifTool meta information reader/writer
Create, Edit, Delete, Organize , Convert, Export, Secure & Sign PDF.
Kavita is a fast, feature rich, cross platform reading server
An extensible Markdown Editor, Viewer and Weblog Publisher for Windows
converts PostScript or PDF files to other vector graphics formats
Read, write and edit metadata
svg editor: Easily create documents for math, physics, chemistry...
Free and open source vector graphics editor for Windows, Mac, & Linux
Draw vector graphics to scale using a descriptive language
2D CAD for precise drawing
Another drawing editor for LaTeX with PSTricks & TikZ
JaxoDraw: Feynman Diagrams made easy!
Qt Visual Graph Editor
Bar Code (1D or 2D) generator in pure Ada
image editor
Free Screenshot Tool
Vector drawing program for LaTeX using PSTricks
BRIC is a powerful tool for batch image processing.
Simple and intuitive 2D vector drawing for electronics and not only.
Best tool to merge, rearrange, rotate, delete, compress PDF files
Professional quality open source illustration software