Kavita is a fast, feature rich, cross platform reading server
Read, write and edit metadata
Another drawing editor for LaTeX with PSTricks & TikZ
Simple and intuitive 2D vector drawing for electronics and not only.
Professional quality open source illustration software
Jade is a cross-platform diagram editor built on the Qt framework.
Library for Gambas language
Create and edit SVG graphics directly in ownCloud. Based on svg-edit.