Alternativa WinSurveyu za Trello z licenco odprtokodnega vira

• Trello
  Vse platforme Windows Mac Linux Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) PHP Java Mobile Slack Microsoft Office 365 MailChimp Trello Salesforce.com HubSpot Google Drive - Sheets Intercom Autopilot SurveyMonkey Qualtrics
• Open Source licenca
  Vsako dovoljenje Brezplačna licenca Open Source licenca Trgovsko dovoljenje