Loved the UI to develop things. Flowgear has made drag and drop feature look even simpler and easier then any other integration tool. Quick Map feature has some good data mapping sense as well.

The node system and hiw easy it is to use.

They've thought about almost every intergration problem and solved it or solved most of it from incompatible systems working in unison to systems designed for offline use being securely made available online. the services is easy to use, navigate and allows for frequent use