Yes, both dataloader.io and Flatly offer a Free Trial.
dataloader.io is designed for Large Enterprises, Medium Business and Small Business.
Flatly is designed for Large Enterprises, Medium Business and Small Business.
Pricing for dataloader.io Starts at $99/User/Month whereas for Flatly Starts at $19/User/Month.
Some top alternatives to dataloader.io includes Import.io, Etlworks Integrator, Matillion ETL, Fivetran, Panoply, Flatly, Data Loader for Marketo, Etleap, ETLrobot and Salesforce Connect.
Some top alternatives to Flatly includes Etlworks Integrator, Matillion ETL, Fivetran, Blendo, Panoply, Flex.io, Hevo, Datagaps ETL Validator, Etleap and ETLrobot.