What are the real GUI toolkits for D?

[nbro via Digitalmars-d]

On Monday, 25 January 2016 at 08:31:34 UTC, Satoshi wrote:
> On Sunday, 24 January 2016 at 12:16:09 UTC, nbro wrote:
>> Except for GtkD and DWT, D does not seem to be supported by a 
>> really nice GUI toolkit. Anyway, a serious programming 
>> language nowadays should have a lot more support in that area. 
>> I have not tried GtkD yet, but it seems the most promising. 
>> Many projects have started to create a GUI toolkit (or 
>> wrapper), but now they are abandoned. Are there any plans to 
>> really support the development of standard GUI toolkit?
>
> Yop, we started dev of MVC/GUI Framework in pure D called 
> Rikarin. Main concept is based on API from Cocoa framework, 
> like MVC, Delegation, Action/Targer, Responder chain, etc.
>
> In 6 months, there should be a first release.
>
>
> (our web designer is currently working on website 
> http://www.rikarin.org/)

How much is it going to be serious? I mean, starting such a 
project requires great care and experience. I hope it's not 
another (and maybe even incomplete) GUI toolkit, otherwise it 
wouldn't be useful.