Mailtrap - Email Delivery Platform that delivers just in time.
 Great for businesses and individuals.

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.

MailCatcher - MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a...

Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.

FakeSMTP - FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily.

Mercurial SCM - Mercurial is a free, distributed source control management tool.