Astuto : Astuto is a free, open source, self-hosted customer feedback tool. It helps you collect, manage and prioritize feedback from your users.
Gallery : Open source web based photo album organizer. Gallery gives you an intuitive way to blend photo management seamlessly into your own website whether you...
Novu : The open-source notifications infrastructure. A fully-featured microservice to send SMS, E-mail, Slack and Push notifications. Embeddable notification...
Zulip : Powerful slack-like open source group chat
Commento : A lightweight, open source, tracking-free comment engine alternative to Disqus.
GitLab is a web-based Git repository manager with wiki and issue tracking features. GitLab offers hosted accounts similar to GitHub, but also allows its software to be used on third party servers.