Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Geneva - An all-in-one communication app for groups & communities
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
SwearJar - A Slack bot that donates money to charity when you curse
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Fundraise Up - The New Standard for Online Giving