Okular - Okular is a universal document viewer based developed by KDE.
MathType - The Professional version of Equation Editor- MathType is a powerful interactive tool for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and Math…
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
LibreOffice - Math - Math, LibreOffice, math editor, ODF, OpenFormula, open standards
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
KLatexFormula - KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and...