Startup Stash - A curated directory of 400 resources & tools for startups
Krugle - Krugle is the complete enterprise solution for search targeted to the development organization.
Content Marketing Stack - A curated directory of content marketing resources
searchcode - A source code search engine
StartupResources.io - Tightly curated lists of the best startup tools
Insight.io - Best web-based IDE-like source code browsing and search tool