highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.
cPanel - With its first-class support and rich feature set, cPanel & WHM has been the web hosting industry's most reliable, intuitive control panel since 1997.
Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
Bootstrap Table - Bootstrap Table has been designed to reduce development time and to require no specific knowledge from developers.
ISPConfig - ISPConfig 3 is an open source hosting control panel for Linux.