Yes, both Slack and Dynatrace offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Dynatrace is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Dynatrace 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 Dynatrace includes ManageEngine Applications Manager, Scout APM, Datadog APM, New Relic APM, AppDynamics, Instana, Thundra APM, APImetrics, Azure Monitor and Acure.io.