Alternativy k Pollscape pro Google Drive - Sheets s licencí open source

• Google Drive - Sheets
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Android Wear iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) PHP Windows Mobile Java Mobile Wordpress Slack S60 Facebook Messenger Chrome Web Store MailChimp Trello Salesforce.com HubSpot Google Drive - Sheets Intercom Autopilot
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence