Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Wren - Offset your carbon footprint by saving rainforests
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Treepoints - Fight climate change and earn rewards