Description: iftop is an open source command-line tool used to monitor network usage and bandwidth in real-time. It displays a table of current TCP/IP connections using bandwidth over a specified interface.
Type: software
Pricing: Open Source
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