Hi Indra,
From a Business perspective, it is all about how complex the requirement is. I can remember couple of months back, I did a fields services solution. I only did was install the the app. And the client was very happy. Not a single line of code. What I am trying
to highlight here is, we still need to code, if some requirements are not supported out of the box. Again I did a solution which interact with DropBox where no OOB support available. So I had to code. Wrote C#.NET code.
As Andrii mentioned, the the most common and the best tool is Visual Studio.
Regards
Sanjaya Yapa
Sanjaya Yapa