Kleene offers Free Trial, but MailChimp does not.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Kleene is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both MailChimp and Kleene are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to MailChimp includes Campaigner, Moosend and SMTP.
Some top alternatives to Kleene includes Talend Cloud Data Integration, Etlworks Integrator, Matillion ETL, Keboola, K3, Etleap, Optimus Mine, ETLrobot, Qluster and Datos Intelligence.