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.
Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.
Webmin - Webmin is a web-based interface for system administration for Unix.
Webuzo - Webuzo Application Manager
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.