Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
CodeKeep - Codekeep lets you store and share bits of code and text with other users. Snippets can be organized into folders/labels for instant reuse.
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
Anyfiddle - Build, run and share code in any language from your browser
Salt - Fast, scalable and flexible software for data center automation
CodeMyUI - Handpicked code snippets you can use in your web projects