Yes, both Parabola and ETLrobot offer a Free Trial.
Parabola is designed for Medium Business and Small Business.
ETLrobot is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Parabola Starts at $80/month whereas for ETLrobot Starts at $72/Month when Billed Yearly.
Some top alternatives to Parabola includes CircleCI, Etlworks Integrator, Matillion ETL, Fivetran, ETL Framework, Datagaps ETL Validator, Etleap, Optimus Mine, ETLrobot and Alloy Automation.
Some top alternatives to ETLrobot includes Etlworks Integrator, Matillion ETL, Fivetran, Blendo, Panoply, Power My Analytics, Hevo, Datagaps ETL Validator, Etleap and Optimus Mine.