Yes, both Trakdesk and Twilio Flex offer a Free Trial.
Trakdesk is designed for Large Enterprises, Medium Business and Small Business.
Twilio Flex is designed for Large Enterprises and Medium Business.
Pricing for Trakdesk Starts at $9.99/User/Month when Billed Yearly whereas for Twilio Flex Starts at $1/User.
Some top alternatives to Trakdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Helprace, ReadyDesk, Sitehelpdesk, HESK, Help Desk Premier and BoldDesk.
Some top alternatives to Twilio Flex includes CometChat, CloudTalk, Five9, 3CX, Genesys PureConnect, MSG91, Infobip, Cloudonix, CommPeak, CloudContactAI and Messenger Communication Platform.