Sorry, RSS was probably a bad example. I meant that I could have One Interface to Rule Them All, seamless collaboration between similar tools (e.g. viewing repositories on Github and Gitlab in a single application, or ordering a few items from a few different sites in a single place). I think the problem today is that data between websites is disjointed and not interoperable with other sites; my solution would be to build a tool that generates a kind of formula for conversion from multiple sites, such as Github and Gitlab, to a standard format, which can then be consumed by an application. Data and features wouldn't be mapped one-to-one, which is probably one of the larger problems.

The tool looks fantastic though, thanks for sharing.