Alternativas ao ZapFocus para todas as plataformas com licença de código aberto

• Todas as plataformas
  Todas as plataformas 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
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial