JavaScript engine to render mathematical formulas on the web. The outcome looks really slick. foss
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
Extend GitHub pages with math, graphs etc.
mimeTeX is a rather old tool to render LaTeX formulas to PNG figures for your web site, without actually needing a LaTeX installation on your server. foss
KaTeX is a math rendering library made by Khan Academy focusing on fast load times. All output is processed as plain HTML instead of fixed images. foss
Static site generator with KaTeX support, code evaluation, LaTeX-like commands and optional pre-rendering, in Julia. foss