I've been using the Steem platform as a way of learning a Javascript programming framework called Vue.js, and in the early days (a month or so ago) I started working on an experimental front-end. The interesting aspect of it is that it allows you to filter out categories, tags and resteems from different authors, to help you customise your feed. It doesn't allow interaction though.
Clicking on the 
Because I was new to it, and didn't structure the code well, it can be very slow on some devices though. For this reason I've abandoned the project for now, but thought I'd present it just in case any other developers like the idea for their projects. Any feedback might also be useful for the projects I'm working on.
http://www.steemreports.com/spruce/
I'm now working on other projects using Vue.js properly - I hope! ;)