Free site search engine. Add a site search engine to your website today, for free, in less than ten minutes. Choose from Free and Pro site search engines.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online

Vespa is described as 'Engine for low-latency computation over large data sets. It stores and indexes your data such that queries, selection and processing over the data can be performed at serving time' and is a Search Server in the development category. There are more than 10 alternatives to Vespa for a variety of platforms, including Self-Hosted, Web-based, Linux, SaaS and Mac apps. The best Vespa alternative is Elasticsearch, which is both free and Open Source. Other great apps like Vespa are Algolia, Apache Solr, Viglet Turing and FalkorDB.
Free site search engine. Add a site search engine to your website today, for free, in less than ten minutes. Choose from Free and Pro site search engines.

Milvus is an open-source vector database built to power embedding similarity search and AI applications. Milvus makes unstructured data search more accessible, and provides a consistent user experience regardless of the deployment environment.


i-Search Pro changes the way of WordPress Search. It’s full WooCommerce compatible. Provide Live search results in milliseconds. Include almost everything in your search results.




Search over millions of documents, and give to your users unique, amazing and unforgettable experiences.

ZIR AI allows application developers to add sophisticated ML-powered text search to their applications and platforms. It provides high performance gRPC APIs for indexing and running queries, encryption in transit and rest, and an OAuth 2.0 security model.
Adds a customizable search box to your web pages and show fast, relevant results powered by Google Search.




Enterprise search, simplified. Cloud-based enterprise search solution that search across all of your organization’s content sources — Aconex, Procore, Dropbox, Microsoft Sharepoint, Onedrive, and more.

TinySearch is a lightweight, fast, full-text search engine. It is designed for static websites.
Elasticsearch client with query console, field-aware autocomplete, saved queries, and multi-cluster support. For ES 6.x-9.x.






ParadeDB is a modern Elasticsearch alternative built on Postgres. Built for real-time, update-heavy workloads.

Appbase.io provides a supercharged Elasticsearch experience with a #nocode relevance control plane (or JS UI components or a declarative REST API) and out-of-the-box search/click analytics and insights.



