The Dude - MikroTik is a Latvian company which was founded in 1996 to develop routers and wireless ISP systems. MikroTik now provides hardware and software for Internet connectivity in most of the countries around the world.
Apache Archiva - Apache Archiva is an extensible repository management software.
Pandora FMS - Pandora FMS: Opensource monitoring software
Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.
cStatus - Monitor and scan a network.
Apache Ambari - Ambari is aimed at making Hadoop management simpler by developing software for provisioning, managing, and monitoring Hadoop clusters.