Repository Index

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

• neural-network
• search-engine
• knn-algorithm
• hnsw

A vector index built on TurboQuant, written in Rust with Python bindings

• ann
• avx512
• embeddings
• faiss

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

• search-engine
• semantic-search
• semantic-search-engine
• vector-search

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

• ai
• faiss
• langchain
• llama-index

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

• python
• search
• nlp
• semantic-search

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

• deep-learning
• pytorch
• ai
• mlops

MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.

• amazon-web-services
• database
• fulltext-search
• json

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

• ai-native
• nearest-neighbor-search
• rag
• vector-search

Object-storage native graph database with branching and typed ontology

• apache-arrow
• datafusion
• graph-database
• knowledge-graph

Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data

• approximate-nearest-neighbor-search
• k-nearest-neighbors
• knn-search
• nearest-neighbors

Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.

• embeddings
• go
• golang
• llm

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.

• bolt
• cypher
• database
• enterprise-solutions

C# .NET NOSQL ( key value, object store embedded TextSearch SemanticSearch Vector layer ) ACID multi-paradigm database management system.

• nosql
• database
• embedded
• c-sharp

Language model search engine built on a vector database and an anything key/value store.

• information-retrieval
• search-engine
• vector-space-model
• machine-learning

Official library for RaBitQ vector quantization and approximate nearest-neighbor search, in C++ and Python.

• nearest-neighbor-search
• quantization
• vector-database
• vector-search