Slack

Also called: Slack channel, Slack channels, Slack workspace, Slack community, channel, DM, direct message

A team chat tool owned by Salesforce. Conversations are organized into channels by topic. Tech communities also run Slack workspaces for their members. It is a workplace messaging tool.

For example: A founder joins a local tech community's Slack and asks a question in the channel about databases. Two engineers reply within the hour.