Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Drupal is a free and open-source web content management framework.
Font Awesome is a font and icon toolkit based on CSS and Less.
HighLevel is an all-in-one marketing and automation platform designed for marketing agencies and small businesses to manage CRM, marketing campaigns, sales funnels, appointment scheduling, and more.
Modernizr is a JavaScript library that detects the features available in a user's browser.