Apache is a free and open-source cross-platform web server software.
Handlebars is a JavaScript library used to create reusable webpage templates.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers, using MathML, LaTeX and ASCIIMathML markup.
Modernizr is a JavaScript library that detects the features available in a user's browser.
OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.
Red Hat is an open-source Linux operating system.