It seems Awe comes in two flavours: One is a Wysiwyg editor with a drag & drop interface, to easily create your web-AR, combined with a publishing platform, for a monthly fee. The second flavour is the DIY option, using their library and open-source API.
Ar.js is a very fast, marker-based, open-source Augmented Reality solution for the web. It is based on three.js + jsartoolkit5 and can be combined with A-frame ( https://aframe.io/blog/arjs/ ). It runs on all mobile platforms: Android, iOS11 and Windows mobile. Depending on your device, it can run very fast, up to 60fps on 2year-old phones!