Yes, both Quick Base and Zendesk Talk offer a Free Trial.
Quick Base is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zendesk Talk is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Quick Base Starts at $35/user/month when yearly whereas for Zendesk Talk Starts at $9/User/Month.
Some top alternatives to Quick Base includes Smartsheet, Internal, Caspio, Microsoft Power Apps, Flowfactory, Undaku, OptimumHQ, CitizenDeveloper and The m-Power Development Platform.
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).