Alternatívy programu R3R pre Apple Watch s licenciou s otvoreným zdrojom

• Apple Watch
  Všetky platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry 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 Wordpress PortableApps.com Waterfox Pale Moon Chrome Thunderbird Cloudron ReadKit Leaf RSS Reader News+ FeedMe Slow Feeds Reeder
• Licencia Open Source
  Akákoľvek licencia Bezplatná licencia Licencia Open Source Obchodná licencia