As soon as you sync your gists, GistGenius tag them with their own language; then you can add as many tags as you want, and use them to filter and search through your gists.
GistGenius search inside your gists tags, description and code. You can also find your gists with ease using the tags you've created.
If you love Gist as we do, you'll love it even more with GistGenius. This small app was developed in 48 hours, during the RailsRumble 2014 .