Yes, both Freshdesk and Twilio Flex offer a Free Trial.
Freshdesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Twilio Flex is designed for Large Enterprises and Medium Business.
Pricing for Freshdesk Starts at $15/User/Month when Billed Yearly whereas for Twilio Flex Starts at $1/User.
Some top alternatives to Freshdesk includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, SeamlessDesk, LiveAgent, HelpDesk, SysAid, HubSpot Service Hub, Salesforce Service Cloud, CRMdesk, Helpspot, Sitehelpdesk and Trakdesk.
Some top alternatives to Twilio Flex includes CometChat, CloudTalk, Five9, 3CX, Genesys PureConnect, MSG91, Infobip, Cloudonix, CommPeak, CloudContactAI and Messenger Communication Platform.