Yes, both SeamlessDesk and Vision Helpdesk offer a Free Trial.
SeamlessDesk is designed for Medium Business and Small Business.
Vision Helpdesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for SeamlessDesk Starts at $57/Month whereas for Vision Helpdesk Starts at $12/User/Month when Billed Yearly.
Some top alternatives to SeamlessDesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Deskero, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, ReadyDesk, Sitehelpdesk, HESK, Help Desk Premier, DeskXpand and Scopedesk.
Some top alternatives to Vision Helpdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Kayako, Deskero, Teamwork Desk, LiveAgent, HelpDesk, SysAid, osTicket, Jitbit Helpdesk, eStreamDesk, BoldDesk and Scopedesk.