awesome-vector-search

Awesome Vector Search Engine

A curated list of awesome vector search framework/engine, library, cloud service and research papers to vector similarity search

Standalone Service

• Apache Cassandra 5.0 – Vector search (cep-30), Strict Serialisable ACID (cep-15), horizontally scaling database
• Qdrant - Vector Similarity Search Engine with extended filtering support
• Vald - A Highly Scalable Distributed Vector Search Engine
• Milvus - A cloud-native vector database with high-performance and high scalability.
• Weaviate - A cloud-native, real-time vector search engine
• Omnigraph - Typed graph database where agents branch and merge like Git. S3-native, Rust, traversal + vector + BM25 in one runtime
• OpenDistro Elasticsearch KNN - A machine learning plugin which supports an approximate k-NN search algorithm for Open Distro for Elasticsearch
• Elastiknn - Elasticsearch plugin for nearest neighbor search
• Epsilla - A High Performance Vector Database Management System, Hippocampus For AI
• Vearch - A scalable distributed system for efficient similarity search of deep learning vectors
• pgANN - Fast Approximate Nearest Neighbor (ANN) searches with a PostgreSQL database
• Jina - Jina allows you to build deep learning-powered search-as-a-service.
• Infinity - The AI-native database built for LLM applications, providing incredibly fast vector and full-text search
• Aquila DB - Distribution focused k-NN search algorithm
• Redis HNSW - A redis module for similarity search based on HNSW
• Solr - Apache Solr - has a Dense Vector Search feature as of Solr 9.0
• Marqo - A semantic search engine which supports tensor search (sequence of vectors)
• txtai - Build semantic search applications and workflows
• Semantra - A multipurpose tool for semantically searching documents.
• SuperDuperDB - Bring AI to your favorite database
• TensorDB - High Performance Vector Database Supporting Heterogeneous Computing
• JVector - a pure Java, zero dependency, embedded vector search engine, used by DataStax Astra DB and Apache Cassandra.
• VQLite - Simple and Lightweight Vector Search Engine
• Vexvault - 100% browser based, open source, scalable, simple, zero-cost vector search
• Vespa.ai - Text search engine and ... fast approximate vector search (ANN)
• Vespa's large-scale ANN search using HNSW-IF indexes is described here

Library

• LangStream - LangStream is an open-source project that combines the best of event-based architectures with the latest Gen AI technologies.
• CassIO - CassIO is the ultimate solution for seamlessly integrating Apache Cassandra® with generative artificial intelligence and other machine learning workloads
• [JVector - A pure Java, zero dependency, embedded vector search engine used by some of the advanced distributed databases such as Da