LibreOffice - Math - Math, LibreOffice, math editor, ODF, OpenFormula, open standards
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Math Magic - MathMagic Equation Editor for Desktop Publishing software & Word Processors, Adobe InDesign, QuarkXPress, MS Word, iWork, for Technical writing with very easy interface and fast input.
Manuskript - Open-source tool for writers.
KLatexFormula - KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and...
FocusWriter - FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as...