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.
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Joomag - Joomag is the all-in-one digital publishing platform empowering businesses large and small to create, distribute, track, and monetize their interactive content.
Site Search 360 - Site Search 360 enhances and improves your built-in CMS or product search with autocompletion, semantic search, filters, facets, detailed analytics, and a whole lot of customization options.
uberflip - Organize and Centralize ALL of your Content in minutes