Alternativen zu TeamTodoList für Gmail mit Open Source-Lizenz

• Gmail
  Alle Plattformen Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch iPad Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS) Firefox Safari BSD PortableApps.com Slack Chrome HP webOS Gmail Arch Linux GNU Emacs Google Drive Dropbox Box.com Evernote Microsoft OneDrive Google Contacts
• Open Source Lizenz
  Beliebige Lizen Freie Lizenz Open Source Lizenz Kommerzielle Lizenz