Description: Mailman is an open source mailing list management system. It helps manage email discussion and announcement lists, allowing users to subscribe and unsubscribe, and helping admins moderate and post to the lists.
Type: software
Pricing: Free
Description: Uptime Kuma is an open source self-hosted monitoring tool that allows you to monitor your websites and applications from your own server. It checks that your services are up and sends you alerts if they go down.
Type: software
Pricing: Open Source