HelixDB is a database that makes it easy to build all the components needed for AI applications in a single platform.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
- Rust
- Mac
- Windows
- Linux
- BSD
- Docker
- Self-Hosted
United States

Apps similar to Qdrant include Meilisearch, which is open source but paid. OpenSearch and Golem are free. Other options are Elasticsearch, Algolia, Apache Solr and Viglet Turing. There's no shortage of Search Servers like Qdrant, with more than 50 alternatives for self-hosting, Linux, the web, Mac and Windows.
HelixDB is a database that makes it easy to build all the components needed for AI applications in a single platform.

Grafeo is a pure-Rust, high-performance graph database that can be embedded as a library or run as a standalone database, with optional in-memory or persistent storage. Grafeo supports both LPG and RDF and all major query languages.

Fully-managed vector database providing lightning-fast, relevant search with developer-focused APIs, effortless scalability, metadata filters, transparent usage-based pricing, multi-cloud support, easy integration, unstructured data handling, and no need for infrastructure upkeep.


Zvec is an open-source, in-process vector database — lightweight, lightning-fast, and designed to embed directly into applications. Built on Proxima (Alibaba's battle-tested vector search engine), it delivers production-grade, low-latency, scalable similarity search with...

Quickwit is the next-gen search & analytics engine built for logs. It is a highly reliable & cost-efficient alternative to Elasticsearch.


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.


Low End Box is dedicated for running websites and services on low end dedicated servers/virtual private servers, where you only need to pay a few dollars a month to get full root access.
Sphinx is a software search engine designed with indexing database content in mind. It currently supports MySQL, PostgreSQL, and ODBC-compliant databases as data sources natively. Other data sources can be indexed via pipe in a custom XML format.


Blockchain-Based Decentralized Cloud Computing. Reinventing Cloud Computing: We’re committed to create the next-generation of IT infrastructure by building a new Cloud computing paradigm.
High-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Apache Lucene is a open source.