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.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Mercurial SCM - Mercurial is a free, distributed source control management tool.
Prometheus - An open-source systems monitoring and alerting toolkit.