Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

HubSpot ABM Software - HubSpot ABM Software is a smart enterprise-based tool for dealing with accounts and sales marketing to bring all the accounts collaborations on one centralized platform.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

Demandbase - Bizo

HelpScout - Help Scout is a simple, straightforward way to provide excellent support

Triblio - Triblio is an account-based marketing software that enables marketers to personalize multichannel campaigns to reach their target audience.