Alternativy FieldSumo pro všechny platformy s licencí open source

• Všechny platformy
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Safari Internet Explorer PHP JavaScript Windows Mobile Wordpress Chrome Cloudron Amazon Echo (Alexa Voice Service) Google Goggles
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence