Alternativen zu ReaderBlocks für Thunderbird mit Open Source-Lizenz

• Thunderbird
  Alle Plattformen Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Vivaldi Browser BSD Java Mobile Wordpress PortableApps.com Waterfox Pale Moon Chrome Thunderbird Cloudron ReadKit Leaf RSS Reader News+ FeedMe Slow Feeds Reeder
• Open Source Lizenz
  Beliebige Lizen Freie Lizenz Open Source Lizenz Kommerzielle Lizenz