You can use a number of tools as part of your development workflow to help create, manage, and prepare data for applications. Most of the tools are available online and you need an account to access them.
Manage API keys, service usage, and data for your applications in the ArcGIS Developers website.
Create, manage, and share hosted data with cloud-based GIS tools .
Create, explore, and share web maps for 2D applications.
Create, explore, and share web scenes for 3D applications.