Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Mercurial SCM - Mercurial is a free, distributed source control management tool.
Better Uptime - We call you when your website goes down
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.