tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page

Seeable - Seeable is a Customer Success Platform for Coworking.

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Gainsight - Customer Success for the New Enterprise

LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.

Kamailio - Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...