Alternativer til poll.ly til Software as a Service (SaaS) med open source-licens

• Software as a Service (SaaS)
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) PHP Java Mobile Slack Chrome Web Store MailChimp Trello Salesforce.com HubSpot Google Drive - Sheets WebSphere Application Server Intercom Autopilot
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens