Yes, both Pythia and Tidio Helpdesk offer a Free Trial.
Pythia is designed for Large Enterprises, Medium Business and Small Business.
Tidio Helpdesk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Pythia Starts at $30/User/Month whereas for Tidio Helpdesk Starts at $24/month when yearly.
Some top alternatives to Pythia includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Help Scout, Snappy, HelpdeskEddy, LabiDesk, Support.cc by 500apps, BoldDesk and Aptedge.
Some top alternatives to Tidio Helpdesk includes Zendesk Support and Zoho Desk.