XML editor
Open source PDF editor
Library to parse and emit YAML, and do it fast
An integrated writing environment for creating LaTeX documents
C++ Qt ORM (Object Relational Mapping) and ODM library
A fast DVI, EPS, and PDF to SVG converter
Kile is a feature-rich LaTeX editor
SC is a C based meta/programming language/environment
Prepress preparing tool and PDF editor
Simple XML editor and XSD viewer
Music score editor
2D Editor to manage garden or flat plan
The LaTeX Equation Editor
Human readable and human writable format for the config files