Startup Stash - A curated directory of 400 resources & tools for startups
Popsters - Analyze your social media pages and spy on your competitors
Startup Buffer - Startup Buffer is a premium startup directory for emerging startups all around the world.
Content Marketing Stack - A curated directory of content marketing resources
SocialRank - Graph search for TWTR. Filter by interests, location, etc
Makerbook - A directory of the best free resources for creatives