jscl-meditor - java symbolic computing library andmathematical editor Science, Math, Software, Typesetting - meditor. A text editor with some symbolic computation capabilities. https://jscl-meditor.sourceforge.net/
SciWriter Science, Math, Software, Typesetting - SciWriter. An XML based WYSIWYG word processor for mathematics and text. http://www.soft4science.com/
Applied Symbols Science, Math, Software, Typesetting - Applied Symbols. This company specializes in OpenType fonts for technical and mathematical publications. https://www.appliedsymbols.com/
MathML Central: A Wolfram Web Resource MathML Central is a resource for MathML tools. https://www.mathmlcentral.com/
OpenMath Science, Math, Software, Typesetting - OpenMath. Emerging standard for representing mathematical objects semantically, allowing them to be stored in databases and communicated over the World-Wide-Web. https://openmath.org/