Alternativas ao bubbl.us para iPad com licença de código aberto

• iPad
  Todas as plataformas 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
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial