Is it possible to deploy custom widget to ArcGIS Online?

[MichaelGinzburg]

Hello,

For our Portal projects we developed some custom widgets with WAB.

Can we deploy them to AGOL to use in AGOL WAB?

Thanks!

[RobertScheitlin__GISP]

Michael,

  The answer is no.

Here is a blog from Derek Law that answers this exact question:

Clarifying 3 questions about Web AppBuilder for ArcGIS | ArcGIS Blog