Bubble is web development framework and a visual programming tool. It enables non-technical people to build production-ready web and mobile apps without code.
Tilda Publishing is a website builder. It doesn’t matter what — a website, online store, landing page or blog — make it quickly and easily with Tilda.
amptemplates.io is a collection of AMP templates from all over the web. The project is aimed at making beautiful templates & AMP technology accessible for all. It also includes a very early stage drag and drop AMP template builder.