LibreOffice - Math - Math, LibreOffice, math editor, ODF, OpenFormula, open standards
KLatexFormula - KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and...
MathCast - MathCast is an equation editor, an application that allows you to input mathematical equations.
iMathEQ Math Equation Editor - iMathEQ is a mathematics equation or formula editor.
LaTeXiT - Pierre,Chatelier,LaTeXiT
Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.