LyX is an open source document processor based on top of the LaTeX typesetting system.

Gummi is a simple LaTeX editor.

Math is LibreOffice's formula editor, and can be invoked in your text documents, spreadsheets, presentations and drawings, enabling you to insert perfectly fo…

SymPy is a Python library for symbolic computation. It provides computer algebra capabilities either as a standalone application, as a library to other applic…