Reddit List - Tracking the top 5000 subreddits
Reddit Check - A tool to check if a URL is on Reddit and going viral
YesPromo - Free database of 100+ successful self promotion Reddit posts
reddit shell - Web-based shell for browsing reddit (pretend you're working)
RecapMail - We collect all your mails from mailing lists, promotions, surveys - and send you a daily digest per e-mail..
Beam for reddit - Discover and browse reddit on your iPhone