Home / Alternatives to Slack / Slack vs Element (Matrix)

Slack vs Element (Matrix)

A side-by-side look at Slack (the paid SaaS) and Element (Matrix) (the open source alternative). Use this page to decide if the switch fits your team and workflow.

Slack Element (Matrix)
Tagline Team messaging with channels, threads and integrations. Decentralized messaging on the Matrix protocol.
License Proprietary SaaS Apache-2.0
Pricing Free tier limited to 90 days of history; Pro from $7.25/user/month. Free to self-host · optional paid hosted plan
Self-host option No Yes — difficulty 4/5
Hosted cloud available Yes (only option) Yes
Desktop apps Varies by product Windows, macOS, Linux
Mobile apps Official apps typically available iOS, Android
Ad slot — between tables

Best for

When end-to-end encryption is a hard requirement.

Element (Matrix) strengths

  • Fully federated — you own your data.
  • End-to-end encryption by default.
  • Bridges to Slack, Discord, WhatsApp, etc.

Element (Matrix) weaknesses

  • Self-hosting Synapse or Conduit server is work.
  • E2E encryption UX (device verification) can confuse users.
  • Cross-signing and key backup setup is fiddly.

What's the catch with Slack?

  • Free tier message history cap makes it unusable for serious teams.
  • Data residency concerns for EU and regulated industries.
  • Per-seat pricing scales expensively.

Still unsure?

Check the full list of alternatives to Slack: see Slack alternatives, or learn more about Element (Matrix) on its project page.