The best open source alternative to MathType is LibreOffice - Math. If that doesn't suit you, our users have ranked more than 25 alternatives to MathType and 13 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to MathType are Overleaf, KLatexFormula, TeXlyre and Visual Math Editor.
Math is LibreOffice's formula editor, and can be invoked in your text documents, spreadsheets, presentations and drawings, enabling you to insert perfectly formatted mathematical and scientific formulas.
Overleaf, formerly WriteLaTeX, is a collaborative writing and publishing system that makes the whole process of producing academic papers much quicker for both authors and publishers.
KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and drop, copy and paste or save to disk) from LaTeX equations. It is written in Qt4.
A local-first real-time LaTeX and Typst collaboration platform with offline editing capabilities. Built with React, TypeScript, and Yjs for collaborative document editing.
VisualMathEditor is a LaTeX, AsciiMath and MathML editor developed in Javascript and HTML. It operates independently on the web or locally. It has many features and menus that help the equation-entry and allow their posting and backup.
TexMaths is an addon designed to provide LaTeX support into LibreOffice. LaTeX equations can be inserted as images (SVG or PNG formats) and the LaTeX code is saved into the image attribute for further editing.
WordMat is an add-on to Microsoft Word which creates a tab with math functionality. Part of the Math functionality is provided by other open-source applications like Maxima, GeoGebra, Graph and GnuPlot.
MathCast is an equation editor, an application that allows you to input mathematical equations. These equations can be used in written documents, webpages, and even databases. They could be rendered graphically to the screen, to picture files, or to MathML - today’s leading...
Math, part of the Apache OpenOffice suite, is a tool for creating and editing mathematical equations, similar to Microsoft Equation Editor (included in Microsoft Office). The created equations can then be embedded inside other OpenOffice.
This tool provides a very simplistic gui that renders LaTeX-expressions directly while typing and is able to copy the rendered images to the clipboard or alternatively save them to the desktop while maintaining transparency information.
Easily type math in your web app. Just load MathQuill and call the constructors on some HTML element DOM objects.
EqualX Equation Editor - is a powerful interactive tool that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations in TeX, LaTeX
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This is a very easy alternative to MathType.