A1 Website Search Engine - Create search engines for online and offline website content.
Apisearch - Apisearch official website.
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.
Google Custom Search Engine - Google Custom Search is a platform provided by Google that allows web developers to feature specialized information in web searches, refine and categorize queries and create customized search engines, based on Google Search.
Mashape Analytics - Real-time analytics for APIs and microservices
Findberry - Findberry is an internal site search service.