Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.
WikiTribune - Evidence based journalism, from the founder of Wikipedia
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.
Neighborhoods.nyc - Hyper-local alerts targeted by NYC neighborhood
Klevu - Klevu offers instant site search solution for eCommerce stores.
Betches - The female millennial whisperers