I want to create an extension page does not open

I want to create an extension page does not open.

Try Rush or niotron ide instead of appybuilder ide

hello cem, did you find a platform about this situation?

Welcome
Pldase translate your post to English
Taifun

Thank you for warning Taifun. I want to try extension development. however, I see appybuilder is down. Do you know of a web-based platform so that I can develop extensions?