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: opsi.org is an open source client management system for Windows networks. It allows administrators to manage software deployment, patch management, license tracking, and hardware/software inventory.
Type: software
Pricing: Open Source