Alternativy ZapFocus pro všechny platformy s licencí open source

• Všechny platformy
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire PlayBook Web Self-Hosted Software as a Service (SaaS) Firefox Windows Mobile Chrome Microsoft Office 365 Microsoft Azure Microsoft SharePoint Install Chrome Extensions Google Chrome to Phone
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence