Find interesting people to follow on Twitter, organized, by category. The entire site is made and managed from a spreadsheet only and will be updated regularly. You can also find the list on Twitter.
Snapdex is a directory of Snapchat users. It let's you easily discover new people on Snapchat that may be of interest to you. It does so by providing a searchable database of interesting people who use Snapchat, including their username, snapcode, some snaps, related accounts, and more, giving you a better glimpse of what's out there.