Listy Beta - The things you love, privately saved and beautifully listed
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.
TaskPaper - Plain text to-do lists for Mac
Dynamic Yield - Personalization & customer experience management
Firefish - Recruitment software built by recruiters, for recruiters
Optimizely - A/B testing you'll actually use.