Yes, both Snappy and Constant Contact offer a Free Trial.
Snappy is designed for Large Enterprises, Medium Business and Small Business.
Constant Contact is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Snappy begins at $15/User/Month, while pricing details for Constant Contact are unavailable.
Some top alternatives to Snappy includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Deskero, Teamwork Desk, HelpDesk, SysAid, Jitbit Helpdesk, lemtalk, Spiceworks Help Desk, LabiDesk, HESK, Support.cc by 500apps and BoldDesk.
Some top alternatives to Constant Contact includes Campaigner, Moosend and SMTP.
