Together with Greg we created a little, yet powerful add-on that brings enhancements from EPiServer.Labs.BlockEnhancements to EPiServer.Forms based properties.
Editor is now able to edit every form inline, without the need to switch the editing context. Just double click any Form Element to edit its properties. Then use Inline Publish to public the Form Element.
You can install it from here:
https://nuget.episerver.com/package/?id=Advanced.CMS.Forms
The source code is available here:
https://github.com/advanced-cms/forms
The addon is MIT licensed. Feel free to use/contribute however you want.