Firemath is a WYSIWYG equation editor which generates MathML.
It is open source software published under the GNU General Public License (GPL) version 3.
[1] Firemath is an add-on for the web browser Firefox.
The add-on was removed from addons.mozilla.org and is not available elsewhere.It is not known whether the author of FireMath plans to release a version for Firefox Quantum.
Firemath must be installed as an addon into the Firefox browser.