Alternativer til bubbl.us til iPad med open source-licens

• iPad
  Alle platforme Windows Mac Linux Chrome OS Android iPhone iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox Safari BSD Chrome Microsoft Office Word Google Drive Google Drive - Docs Google Apps Microsoft Office Suite Google Drive - Sheets
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens