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Microsoft Teams (free)Flock
Freemium

Free edition available; Teams Essentials costs $4 per user per month, paid yearly.

 Freemium

Sign-up is self-serve; check the site for current plans.

Windows, macOS, Android, iOS, Web Web
  • Chat, file sharing and meetings in one app
  • Meetings of up to 100 participants on the free tier
  • Channels for organising team discussion
  • Built-in voice and video calls with screen sharing
  • Requires a Microsoft account
  • Proprietary and tied to Microsoft services
  • Proprietary hosted service; data lives on the vendor's servers
  • Aimed at organisations rather than personal use
Downloadable app, Web application Downloadable app, Web application, Hosted service
Closed source Closed source
License not stated License not stated
Account needed Account needed
Needs internet Needs internet

Checked September 23, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.