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: PushMon is an open-source server monitoring and alerting tool. It provides monitoring of servers, services, websites, and applications with notifications when issues occur. Useful for sysadmins and DevOps.
Type: software
Pricing: Open Source