Alternativen zu Greasefire für Sunbird mit Open Source-Lizenz

• Sunbird
  Alle Plattformen Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch iPad Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Vivaldi Browser SeaMonkey BSD PortableApps.com Microsoft Office Outlook Electron / Atom Shell Chrome Microsoft Edge Thunderbird Yandex.Browser Maxthon Sunbird Neovim
• Open Source Lizenz
  Beliebige Lizen Freie Lizenz Open Source Lizenz Kommerzielle Lizenz