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TwobirdeM Client
Free

No pricing is listed on the homepage.

 Freemium

Free licence for personal, non-commercial use with up to two accounts; Personal from…

macOS Windows, macOS, Android, iOS
  • Notes, reminders and to-dos inside the inbox
  • Collaborative notes within conversations
  • Handles Gmail, Microsoft 365, Outlook, Exchange and plain IMAP without plugins
  • Email, calendar, tasks, contacts, notes and chat in one polished window
  • Site gives few details on supported platforms and email providers
  • No Linux version
  • The free licence is capped at two accounts and forbids any commercial use
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Works offline

Checked October 2, 2026

Checked September 20, 2026

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