Slack
More info
- Creator
- Stewart Butterfield
- Released
- Owner
- Salesforce
- Type
- Team chat
- Website
- slack.com
- Wikipedia
- en.wikipedia.org
Workplace chat launched in 2013 by Stewart Butterfield (after his game studio crashed and the team had internally built a chat) — made the IRC model mainstream in enterprise.
Workspaces, channels (#general), threads, integrations (Slack apps + webhooks), emoji reactions, "@here/@channel". RTM API (WebSocket) → Socket Mode API. Slack Connect allows shared channels between organisations.
Acquired by Salesforce in 2021 for USD 27.7 billion. Competitors: Microsoft Teams (winning enterprise), Discord (winning communities), Mattermost (open source). Slack is still the default for tech startups worldwide.