Yes, both TestRail and Katalon Studio offer a Free Trial.
TestRail is designed for Large Enterprises, Medium Business and Small Business.
Katalon Studio is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both TestRail and Katalon Studio are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to TestRail includes Jira, ReQtest, Zoho BugTracker, Bug-Track.com, TestCaseLab, Qase, Kualitee, QuAck, Crash Catch and QA touch.
Some top alternatives to Katalon Studio includes Postman, Endtest, TestRobotic, Cypress.io, Testim, QARA Enterprise, Tricentis Tosca, TestProject, ZAPTEST and Automaton.