Alternativy k VocApp.com pro Linux s licencí open source

• Linux
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Windows Mobile PortableApps.com Chrome Duolingo Quizlet Memrise
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence