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Rocket.Chat vs Slack

Slack is a hosted SaaS; Rocket.Chat can be self-hosted.

Which to pick

Pick Rocket.Chat if you want…

  • Mission-critical, zero-trust team collaboration
  • Self-hosted team chat with omnichannel support
  • Open-source code (RocketChat/Rocket.Chat on GitHub)
  • Integrations with Active Directory, LDAP or SAML 2.0 (on Rocket.Chat's list, not Slack's)

Pick Slack if you want…

  • AI-enhanced team collaboration
  • Hosted team chat
  • Integrations with Salesforce, Jira or Google Drive (on Slack's list, not Rocket.Chat's)

Rocket.Chat is open source and can run on your own infrastructure; Slack is hosted only.

Side by side

What it is
Rocket.Chat:Rocket.Chat is an open-source, self-hosted team chat platform for secure messaging, voice, video and collaboration.
Slack:Slack is a collaborative workspace that combines chat, AI assistants, and integrations for team communication and workflow automation.
Best for
Rocket.Chat:Mission-critical, zero-trust team collaboration
Slack:AI-enhanced team collaboration
Who it’s for
Rocket.Chat:Enterprises, government agencies, defense organizations and any team needing sovereign, compliant communications.
Slack:Teams and organizations that need unified messaging, AI assistance, and app integrations.
Pricing
Rocket.Chat:Freemium
Slack:Freemium
Plans
Rocket.Chat:Starter Free
Slack:Free $0USD · Pro $8.75 per user / month (monthly) · Business+ $18 per user / month (monthly)
Open source
Rocket.Chat:Yes, 46,213 GitHub stars
Slack:—
Works with
Rocket.Chat:Active Directory, LDAP, SAML 2.0, OpenID Connect, Matrix protocol, XMPP
Slack:Salesforce, Jira, Google Drive, ChatGPT, Atlassian, Zoom, Box, Asana

Rocket.Chat features

  • Zero-trust security model. Supports air-gapped, on-prem, sovereign cloud and DoD IL6 deployments with end-to-end encryption.
  • Unified communications. Combines messaging, voice, video, screen sharing and AI-powered search in one platform.
  • Granular access controls. Role-based and attribute-based access control, ABAC, MFA and integration with AD/LDAP/SAML.
  • Compliance & audit. Built-in audit logs, tamper-evident records and certifications (ISO 27001, SOC 2, HIPAA, FINRA, NIS2, GDPR).
  • Extensible architecture. Open API, custom apps, Matrix federation, XMPP bridge and plugin ecosystem for tailored workflows.
  • Mobile & field support. Secure iOS/Android apps with device-level enforcement and remote-wipe capabilities.

Slack features

  • Channels & Threads. Organize conversations by project, topic, or team with flexible, searchable channels.
  • AI-powered Slackbot. Personal AI agent that answers questions, summarizes conversations, and generates workflows.
  • Workflow Builder. Create automated workflows without code, using AI steps and conditional branching.
  • Slack Connect. Secure real-time chat with external partners, vendors, and clients.
  • Huddles & Video. Built-in audio/video meetings with automatic meeting notes and transcripts.
  • App Directory. Access over 2,600 integrations, including Salesforce, Jira, Google Drive, and ChatGPT.
  • Enterprise Search. Search across messages, files, and connected apps with AI-enhanced relevance.
  • Security & Compliance. Data encryption, SSO, SCIM, DLP, and audit logs to meet enterprise security standards.

Rocket.Chat vs Slack FAQ

Is Rocket.Chat or Slack free?+

Rocket.Chat has a free plan (Starter) and paid plans. Slack has a free plan and paid plans.

Is Rocket.Chat or Slack open source?+

Rocket.Chat is open source (RocketChat/Rocket.Chat on GitHub). DevHunt has no public source repository on record for Slack.

Do Rocket.Chat and Slack integrate with the same tools?+

Their integration lists don't overlap: Rocket.Chat lists Active Directory, LDAP, SAML 2.0, OpenID Connect and 2 more; Slack lists Salesforce, Jira, Google Drive, ChatGPT and 5 more.

On DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.