GrapesJS is an open-source, multi-purpose, Web Builder Framework which combines different tools and features with the goal to help you (or users of your application) to build HTML templates without any knowledge of coding
One of the only existing web builder with a BSD licence.Cons:
still no translation support, I will have to do it manully in French ...
I was looking for this product for more than 4 years. At least it is here !La Voix du chat artiste has used this product for one day.
Awesome and abstract framework for anything...simply superbCons:
Not much. But keep documenting the updates
Just consider if you r going with Open source editorAnand Gopinath has used this product for one month.