Mailtrain : Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). Mailtrain supports subscriber list management, ...
Zulip : Powerful slack-like open source group chat
Sensu : Sensu is an infrastructure and application monitoring and telemetry solution. Sensu provides a framework for monitoring infrastructure, service & appl...
LibreNMS : A fully featured network monitoring system that provides a wealth of features and device support.
GitLab : GitLab is a web-based Git repository manager with wiki and issue tracking features. GitLab offers hosted accounts similar to GitHub, but also allows i...
Open source emojis for designers, developers and everyone else!
