Brooklyn
A Java based deployment tool, focused on both deployment as well as post-deploy lifecycle management. It is aware of network topologies, integrates with many cloud and PaaS APIs, and is designed to handle the entire roll-out
linux windows osx open-source provisioning orchestration java
CMB (Cloud Message Bus)
A notification service (like Amazon SQS and SNS), allows notifications to be published across many channels like Email, VoIP, SMS, etc
linux open-source monitoring java