elasticsearch
ElasticSearch is a distributed, RESTful, free/open source search server based on Java under the Apache License ( Lucene ).
SearchUnit is the modern, flexible, fully featured ASP.NET search engine component for your web applications. Free Community edition available. .
unlimited searching
no restrictions on; number of searches, index size, document limit or file types you can index.best ux available
our latest ajax based end user interface is smooth and quick, exactly what users will expect.craft a custom experience
build the best internal search for your app. by using our open api and plugin architecture to make your internal search engine work your way.
use faceted search to organize your app.
categorization and multiple filter types will clarify your content to users, resulting in improved find rates, better understanding of your data and smiles all round.
get the broadest client platform support possible
our javascript based usage and web services (wcf or asmx) architecture mean that client platforms and frameworks such as mvc, web forms, asp.net ajax, html, asp, jquery, angularjs etc are all supported. serverside web services mean mobile platforms such as android, ios can search too.keep the index up to date and ticking with automated refreshes
windows services, or the task scheduler can be used to periodically reindex content, and use our api to incrementally index content immediately.make the design team happy
searchunit's templates accommodate leading edge css / html based responsive designs.secure document and page access to specific user groups
setup acls (called security groups) to stop users even seeing results they are not entitled to open.give end users the features they want
filters sorting autocomplete result previews spelling search cloud hit highlighting
searchunit featuresintranet search too
filesystem and spider based document importing, doesn't matter where it lives, searchunit can index it.more details...
tools for web and desktop management
our refined desktop based index management tool and web administration app. let you easily monitor and manage indexes.
search-tool web-development search-engine api indexed-search developer-tools search-server indexing keyoti