Downloadable standalone version for Windows
Having fruux running as a separate program/app. Fruux could run in the background and complement the browser instead of having to use the web interface.
We use this feature in Linux, using SSB's. I use the Linux Distro Peppermint, it has an SSB manager called Ic, where the URL can be run in its own space. You can choose what browser you want, dependent on what browser you have installed. I use Vivaldi mostly, but also have Chromium and Firefox installed as well.