Postal : Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready f...
sovereign : A set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more.
Cachet : Beautiful & simple service statuses. The open source status page system, for everyone.
Prometheus : Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Prometheus's main features are:
a multi-dimensio...
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...
Open source meeting scheduling tool. Send a link, let others book a slot. Calendly alternative.