Slack

Slack is the leading business messaging platform, providing organized communication through channels, direct messages, and integrations with thousands of workplace tools. Now part of Salesforce, Slack serves millions of daily active users across organizations of all sizes. Slack's channel-based communication model organizes conversations by topic, project, or team, reducing email overload and making information discoverable. The platform provides file sharing, voice and video calls, screen sharing, and huddles for impromptu conversations. Slack Connect enables secure communication between organizations, while Workflow Builder allows users to automate routine processes without coding. The platform's extensive API and app directory provide integrations with over 2,600 tools including Jira, GitHub, Google Workspace, and Salesforce.