(founder / dev of Snipt, here) -- I need more organization that what Gist allows me. I have a whole bunch of tags that help me group my snipts: https://snipt.net/nick/
Searching is also useful. I'm always forgetting psql/mysql DB commands, and the search I've got working now is pretty solid.
Nothing against Gist, really. I created Snipt almost 4 years ago, before Gist was around. Gist is great if you want revision control. For me, I use Snipt for bits and pieces of code that I don't want to forget, but probably don't need to work on very often.
