Yes, both Slack and Xplenty offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Xplenty is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Xplenty are unavailable.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to Xplenty includes Talend Cloud Data Integration, Etlworks Integrator, Matillion ETL, Fivetran, Talend Application Integration, K3, Datagaps ETL Validator, Etleap, ETLrobot and Talend Data Catalog.