Yes, both Twilio Flex and Paragon offer a Free Trial.
Twilio Flex is designed for Large Enterprises and Medium Business.
Paragon is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Twilio Flex begins at $1/User, while pricing details for Paragon are unavailable.
Some top alternatives to Twilio Flex includes CometChat, CloudTalk, Five9, 3CX, Genesys PureConnect, MSG91, Infobip, Cloudonix, CommPeak, CloudContactAI and Messenger Communication Platform.
Some top alternatives to Paragon includes Integrately, hotglue, Netcall Liberty Create, Baton, SaaS Integrator, Qualified, Workvivo, Cloud Rebels, SmartConnect, Integry, viIntegrate and OneSaaS.