Discourse
Open-source forum software widely used for community support.
Slack
Channels-based team messaging built around integrations.
Quick facts
- Category
- Chat & Messaging
- Pricing
- freemium
- Website
- slack.com
- Status
- live
- Listed
- 2026-05-19
- Last verified
- 2026-05-19
Description
Slack popularised channel-first team chat with a huge integration ecosystem (Huddles, Workflow Builder, Canvases). Owned by Salesforce since 2021; still the default at most modern offices.
Alternatives
All alternatives to Slack →Comments
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