Description: IPtraf-ng is an open-source command-line network monitoring utility for Linux. It gathers various types of information about network traffic including IP traffic, ICMP and TCP connections, and OSPF information.
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