Yes, both New Relic APM and Slack offer a Free Trial.
New Relic APM is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for New Relic APM are unavailable.
Some top alternatives to New Relic APM includes New Relic Alerts, Retrace, Scout APM, Raygun, Datadog APM, Nastel AutoPilot, AppDynamics, Dynatrace, APImetrics and Binocs.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.