Compare software

Proton MeetOpenTalk
Freemium

Free for one-hour calls with up to 50 participants; paid Proton plans extend this.

 Freemium

Hosted service can be tried for free; paid plans and on-premises options are listed on the…

macOS, Android, iOS, Web Web, Self-hosted
  • End-to-end encrypted audio, video and chat
  • Guests can join by link without a Proton Account
  • Hosted in German data centers with a GDPR focus
  • Breakout rooms, whiteboards, polls and formal voting
  • Free calls are limited to one hour and 50 participants
  • Newer than established conferencing tools
  • Aimed mainly at organisations rather than individuals
  • Pricing details not shown on the homepage
Downloadable app, Web application, Hosted service Web application, Self-hosted, Hosted service
Closed source Open source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Needs internet Needs internet

Checked October 1, 2026

Checked October 2, 2026

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