The most popular alternative is Overleaf, which is both free and Open Source. If that doesn't suit you, our users have ranked 11 alternatives to Paperspade so hopefully you can find a suitable replacement. Other interesting Paperspade alternatives are MathType (Paid), KLatexFormula (Free, Open Source), Typeset (Freemium) and MathCast (Free, Open Source).
- iMathEQ is a mathematics equation or formula editor. It is a WYSIWYG online equation/formula editor allowing users to input, edit, print math equation or expressions. Provide interface for easy integration with web site or mobile app.