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Dayon!TeamViewer
Free

Free and open source.

 Freemium

Free for personal use. Business use requires a paid subscription.

Windows, macOS, Linux Windows, macOS, Linux, Android, iOS
  • No network setup needed on the assisted computer
  • Low bandwidth use
  • Connects through NAT and firewalls with no network configuration
  • Covers Windows, macOS, Linux, Android and iOS, including mobile support sessions
  • Grayscale image stream is meant for guidance, not full-color work
  • Requires a Java runtime environment
  • Commercial use requires a paid licence and the software detects suspected business use
  • Free sessions are occasionally cut short by the commercial-use detector
Downloadable app Downloadable app
Open source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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