Pennywise - Cross-platform application to open any website or media in a floating window
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
PiPer - A DIY Minecraft computer to build gadgets
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.