Yes, I have gone back to C and C++ :) Using Wt[0], FoundationDB[1] and gRPC C++[2] for my side project. One thing to rule them all :)
[1] https://www.foundationdb.org
[2] https://grpc.io
[1] https://www.foundationdb.org
[2] https://grpc.io
Furthermore, after looking at the WT documentation it seems horrific to construct frontends in... maybe not so bad for APIs though.
The front-end is jQuery and plain CSS or Bootstrap; and if JavaScript is not available then it falls back to complete server-side rendering, else it is hybrid server-client rendering.
> maybe not so bad for APIs though.
According to the creators of Wt, though you can write APIs, it is not yet architecturally optimised for REST API development.