Yes, both automation.re and Argonaut offer a Free Trial.
automation.re is designed for Large Enterprises, Medium Business and Small Business.
Argonaut is designed for Freelancers, Medium Business and Small Business.
Pricing for automation.re Starts at $29/Month whereas for Argonaut Starts at $200.
Some top alternatives to automation.re includes INCOX, Zapier, MuleSoft Anypoint Connectors, InterWeave Smart Solutions, Integrately, IBM Business Automation Workflow, SaaS Integrator, Built.io Flow and Activepieces.
Some top alternatives to Argonaut includes TruStacks, Qualified, CloudApper AI, Depot, Workvivo, Pipeops, Deploifai, CodeSee, HashiCorp Terraform, CloudShell Colony, IFTTT and Bunnyshell.