Yes, both Zoho DataPrep and Logstash offer a Free Trial.
Zoho DataPrep is designed for Large Enterprises, Medium Business and Small Business.
Logstash is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zoho DataPrep Starts at $40/Month when Billed Yearly whereas for Logstash Starts at $16/Month.
Some top alternatives to Zoho DataPrep includes Etlworks Integrator, Xtract.io, Matillion ETL, Fivetran, Panoply, K3, Etleap, Optimus Mine, ETLrobot and Qluster.
Some top alternatives to Logstash includes Elasticsearch, Etlworks Integrator, Splunk Enterprise, Matillion ETL, Fivetran, K3, Datagaps ETL Validator, Etleap, Optimus Mine and ETLrobot.