Keyspider.io - Keyspider is a cloud-based search platform that provides the best search experiences for users across your Websites, Ecommerce, Services, and Workplace.

Angular InstantSearch by Algolia - Build beautiful search UX on top of Angular

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.

Building Communities - A live class by Product Hunt's Erik Torenberg

ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.

Growthmysales - Increase e-commerce sales, grow email lists, and engage visitors effortlessly with our 5-minute simple popup builder.