Yes, both ChaseData and Zendesk Talk offer a Free Trial.
ChaseData is designed for Large Enterprises, Medium Business and Small Business.
Zendesk Talk is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for ChaseData Starts at $89/User/Month whereas for Zendesk Talk Starts at $9/User/Month.
Some top alternatives to ChaseData includes Nextiva, FIVE CRM, TalkDesk, Dialer360, Calabrio One, CallTools, HoduCC, Call Center Studio, TelebuHub and Vonage Contact Center.
Some top alternatives to Zendesk Talk includes Nextiva, TalkDesk, uContact, HoduCC, Call Center Studio, TelebuHub, Zendesk Support, VoxDesk, Zendesk Chat and Freshdesk Contact Center (Formerly Freshcaller).