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.
SLI Systems
SLI Systems.
AddSearch
Instant Search for your Website | AddSearch – Add Instant Search to Your Website.
Swiftype
The simplest way to add search to your website or application. Sign up for free.
Searchify
Add powerful full-text search to your site using a simple API – IndexTank compatible. No servers to manage. Real-time updates, geolocation, faceted search, works with Ruby, Python, Java, PHP, .NET & more.
ElasticSearch
Elasticsearch is an open source, distributed, RESTful search engine.
