Alternativ till 42tasks för PlayBook med kommersiell licens

• PlayBook
  Alla plattformar Windows Mac Linux Chrome OS Android iPhone Blackberry Apple Watch Android Wear iPad Android Tablet Kindle Fire PlayBook Web Self-Hosted Software as a Service (SaaS) Firefox Chrome HP webOS Install Chrome Extensions Google Chrome to Phone
• Kommersiell licens
  Eventuell licens Gratis licens Open Source-licens Kommersiell licens