Description: Tango is a free and open source, cross-platform program for video calling and instant messaging using Voice over IP. It offers encryption, group conversations, file transfers, customizable user profiles, and other features.
Type: software
Pricing: Open Source
Description: Zendesk is a customer service software company that provides products to manage customer support interactions. Its flagship product, Zendesk Support, is a help desk ticketing system that allows companies to track, respond to, and resolve customer support tickets.
Type: software
Pricing: Paid