Skim.It - Save, sort and share the good stuff you find online.
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.
The Correspondent - An inclusive and ad-free movement for unbreaking news
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Minimal Wikipedia - Minimal redesign of Wikipedia by Moe Silah
Google Custom Search - Google Custom Search enables you to create a search engine for your website, your blog, or a collection of websites.