Cost / License
- Subscription
- Proprietary
Application types
Platforms
- Linux
- Online


Qdrant is described as '(read: quadrant) is a vector similarity search engine and vector database. It provides a production-ready service with a convenient API to store, search, and manage points—vectors with an additional payload Qdrant is tailored to extended filtering support' and is an app in the development category. There are more than 50 alternatives to Qdrant for a variety of platforms, including Linux, Self-Hosted, Web-based, Mac and SaaS apps. The best Qdrant alternative is Algolia. It's not free, so if you're looking for a free alternative, you could try Algolia or Elasticsearch. Other great apps like Qdrant are OpenSearch, Golem, Apache Solr and Manticore search.


TinySearch is a lightweight, fast, full-text search engine. It is designed for static websites.
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.
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.

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.




Adds a customizable search box to your web pages and show fast, relevant results powered by Google Search. It is useful in the ways that is free, but has quite bad crawlers for YOUR website.




Devo, delivers real-time operational and business value from analytics on streaming and historical data to operations, IT, security and business teams at the world’s largest organizations.




Vespa is an 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.
Zevi is a site search engine that is build with NLP and AI at its core. With Zevi a customer can easily pass through your website and give back ranked results based on the businesses preference. Zevi makes site Information discovery a breeze.




Simplify how agents connect to enterprise data. Build high-impact AI apps with one centralized solution for agentic retrieval-augmented generation (RAG) workflows.



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

Open-source neural search framework for text, images, audio, or video. Leverages pre-trained neural network algorithms to index and query data without need for complex rules and fragile pipelines.


