M/Monit - Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
Retroly - A fun simple tool for agile retrospectives
GoodBarber - GoodBarber is a mobile app creation platform.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Bizness Apps - Create your own app or become a reseller and build apps for others