What are some alternatives?
ZenDesk - Zendesk is a beautiful, lightweight help-desk solution.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
LiveChat - LiveChat - premium live chat software with a built-in help desk feature. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Attentive - A marketing channel, built for retail & e‑commerce
Zoho Desk - Industry's first context-aware Helpdesk Software
HubSpot - HubSpot is an inbound marketing and sales platform that helps companies attract visitors, convert leads, and close customers.