Bevel Curve Tools is addon for easily create, edit, and convert bevel object for curve. I mainly created this for my sculpting purpose, but it can be useful for anything else. You can see the demo in the video below.
Github page: https://github.com/ucupumar/bevel-curve-tools
If you have any suggestion, bug report, or anything else, you can reply on this thread or post it directly on github page.
Have a nice day!