Yes, both Sajari and Algolia Site Search offer a Free Trial.
Sajari is designed for Large Enterprises, Medium Business and Small Business.
Algolia Site Search is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Sajari Starts at $79/Month whereas for Algolia Site Search Starts at $29/Month.
Some top alternatives to Sajari includes 3RDi Search, Site Search 360, Swiftype Search, AddSearch, Algolia Site Search, Searchanise, Searchbar, YesPlz, SEOcrawl and Lookin.
Some top alternatives to Algolia Site Search includes Site Search 360, Swiftype Search, Datafari, SearchBlox Search, AddSearch, Elasticsearch, Sajari, Searchanise, Searchbar and Zevi.