Looking for a Slack Alternative?
Meet Onyx Community Edition
Chat UI that works with any LLM. It comes loaded with advanced features like agents, web search, RAG, MCP, deep research, Connectors to 40+ knowledge sources, and more.
See how much you could save by switching from Slack to Onyx Community Edition
Average Slack pricing is ~$7.25/user/month
5-Year Projected Savings
$0
Ready to Switch?
Deploy Onyx Community Edition on DigitalOcean in 1-click
Get $200 in Free Credits
New users receive $200 credit valid for 60 days
Trusted by 600,000+ developers worldwide. Cancel anytime.
Slack vs Onyx Community Edition: Feature Comparison
| Feature | Slack Paid SaaS | Onyx Community Edition Open Source |
|---|---|---|
| Monthly Cost | Per-user pricing | Free (hosting only) |
| Data Ownership | ||
| Privacy Control | ||
| Self-Hosted Option | ||
| No Vendor Lock-in | ||
| Source Code Access | ||
| Customizable | Limited | Fully |
| Automatic Updates | Manual | |
| Managed Infrastructure | ||
| Official Support | Community |
Community activity and technical details from the Onyx Community Edition repository
License
Other
Open source license for commercial use
Forks
2.3k
Community-maintained copies
Primary Languages
Why Switch from Slack to Onyx Community Edition?
Complete Data Ownership
Your data stays on your servers. No third-party access, no data mining, and full compliance with privacy regulations like GDPR and HIPAA.
No Per-User Pricing
Pay only for hosting (~$5-20/month), regardless of team size. Add unlimited users without increasing your costs.
Full Customization
Access the source code and customize Onyx Community Edition to fit your exact workflow. No feature limitations or paywalls.
No Vendor Lock-in
Export your data anytime. Move between hosting providers freely. Your business isn't dependent on a single vendor.
Sponsor This Tool
Reach developers looking for Onyx Community Edition alternatives
300x250 Display Ad Placement
Similar Alternatives to Onyx Community Edition
Explore other open-source tools in the same category or with similar features
LobeHub
Rocket.Chat
Mattermost
Langfuse
LLM engineering platform for model tracing, prompt management, and application evaluation. Langfuse helps teams collaboratively debug, analyze, and iterate on their LLM applications such as chatbots or AI agents.