Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
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
Request Tracker - open-source enterprise grade issue and ticket tracking system
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
NetHelpDesk - Leading provider of help desk software and customer support software. Trusted by IT professionals and service desks for over 20 years.
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.