Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and...

experts Open Source

Self-hosted, ad-free, privacy-respecting Google meta-search engine

nominated

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.

nominated freemium $9.0 / Monthly ("1,500 pages/products", "2,000 monthly searches")