Slack alternatives
The closest matches to Slack in productivity & workspace, ordered by how many descriptive tags they share with it — never by who paid for placement.
- LinearFree / $8/mo
Blazingly fast, keyboard-first navigation · Beautiful, brutalist and opinionated UI
Best for High-performing engineering teams, Product managers, Startups
- NotionFree / $10/mo
Provides extensive control over AI capabilities and data privacy · Compliant with HIPAA and other global privacy regulations
Best for Enterprise organizations requiring strict data privacy and security
- GammaFree tier / $16/month
Saves hours of formatting · Beautiful modern themes
Best for Founders creating rapid pitch decks
- EmDash 1.0
Supports 25+ coding agents for versatile task automation · Built-in file editor for direct file management within task workspace
Best for Developers and DevOps teams
Want the full comparison instead of a summary? Browse every productivity & workspace in the index.