Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Onigiri - Simplify your freelance business with a tailor-made toolkit: invoices, project management, proposals, client portal & more
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Next! Fitness - A.I. powered gym
Olark - Real-time chat and monitoring of your website visitors through Google Talk and Jabber.