Web Technologies Used by checkli.com

The Apache HTTP Server is free and open-source cross-platform web server software, released under the terms of Apache License 2.0. Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS- and JavaScript-based design templates for typography, forms, buttons, navigation and other interface components.

Google Tag Manager is a free tool from Google that enables users to easily add, update, and manage website tags. Tags are snippets of code that allow websites to track activity, such as page visits and clicks, in order to better understand user behavior. Google Tag Manager makes it easy to quickly and easily add, update, and manage website tags without having to manually update code. It also helps to ensure that tags are firing correctly and accurately tracking user activity.

Chargebee is a PCI Level 1 certified recurring billing platform for SaaS and subscription-based businesses.

Heroku is a cloud platform as a service (PaaS) supporting several programming languages.

Moment.js is a free and open source JavaScript library that removes the need to use the native JavaScript Date object directly.

jQuery is a JavaScript library designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax. It is free, open-source software using the permissive MIT License.

jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.

core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.

Chart.js is a free open-source JavaScript library for data visualization. Chart.js is an easy way to include animated, interactive graphs on your website for free.

AngularJS is a JavaScript-based open-source front-end web framework mainly maintained by Google and by a community of individuals and corporations to address many of the challenges encountered in developing single-page applications.

Open-source error tracking that helps developers monitor and fix crashes in real time.

Font Awesome is a font and icon toolkit based on CSS and LESS. It was made for use with Twitter Bootstrap.

Google's Font API provides website developers a means by which they may quickly add custom fonts to their website.