Vector Database Libraries Embedding Tools

Lightweight, embeddable vector storage libraries and tools for managing embeddings and similarity search within applications. Includes in-memory databases, chunking utilities, and retrieval implementations. Does NOT include managed cloud services, large-scale distributed databases, or production vector database platforms.

There are 94 vector database libraries tools tracked. 5 score above 50 (established tier). The highest-rated is Azure/azure-search-vector-samples at 61/100 with 907 stars. 1 of the top 10 are actively maintained.

Get all 94 projects as JSON

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#	Tool	Score	Tier	Stars	Language
1	Azure/azure-search-vector-samples A repository of code samples for Vector search capabilities in Azure AI Search.	61	Established	907	Jupyter Notebook
2	curiosity-ai/catalyst 🚀 Catalyst is a C# Natural Language Processing library built for speed....	57	Established	836	C#
3	supabase/embeddings-generator GitHub Action to generate embeddings from the markdown files in your repository.	56	Established	118	TypeScript
4	vector-ai/vectorai Vector AI — A platform for building vector based applications. Encode, query...	54	Established	320	Python
5	wagtail/wagtail-vector-index Store Wagtail pages & Django models as embeddings in vector databases	50	Established	22	Python
6	curiosity-ai/hnsw-sharp C# library for approximate nearest neighbors search using Hierarchical...	49	Emerging	97	C#
7	kelindar/search Go library for embedded vector search and semantic embeddings using llama.cpp	48	Emerging	528	Go
8	mariotoffia/goannoy go native port of annoy. Approximate Nearest Neighbors in optimized for...	48	Emerging	19	Go
9	WolframResearch/wolfram-notebook-embedder JavaScript embedder for Wolfram Cloud notebooks	48	Emerging	59	JavaScript
10	curiosity-ai/umap-sharp C# library for fast embeddings projection using Uniform Manifold...	47	Emerging	50	C#
11	yusufhilmi/client-vector-search A client side vector search library that can embed, store, search, and cache...	46	Emerging	229	TypeScript
12	rragundez/chunkdot Multi-threaded matrix multiplication and cosine similarity calculations for...	42	Emerging	86	Python
13	realxtefi/Iframable-Pancakeswap Iframable PancakeSwap for any Websites, Feel free to use with iframe. ...	42	Emerging	29	TypeScript
14	dgarnitz/vectorflow VectorFlow is a high volume vector embedding pipeline that ingests raw data,...	42	Emerging	698	Python
15	trinhdoduyhungss/nk-vector NK-VECTOR, a powerful Natural Language Processing (NLP) library.	42	Emerging	7	JavaScript
16	buckhx/gobert Go Bindings for BERT NLP Models	42	Emerging	107	Go
17	anshulsharmas/azure_kusto_vector Samples to use Kusto(Azure Data Explorer) as a Vector database for AI embeddings	39	Emerging	27	Jupyter Notebook
18	Anush008/fastembed-js Generate vector embeddings in NodeJS	38	Emerging	173	TypeScript
19	themaximalist/embeddings.js Simple text embeddings library for Node.js (OpenAI, Mistral, Local)	38	Emerging	31	CSS
20	fogfish/word2vec Golang "native" implementation of word2vec algorithm (word2vec++ port)	38	Emerging	31	C++
21	Anush008/fastembed-go Go implementation of @qdrant/fastembed.	37	Emerging	101	Go
22	themaximalist/vectordb.js Simple in-memory vector database for text similarity in Node.js	37	Emerging	43	HTML
23	postgresml/postgresml-django postgresml-django is a Python module that integrates PostgresML with Django...	36	Emerging	26	Python
24	grafana/vectorapi pgvector + embeddings API	36	Emerging	22	Python
25	RelevanceAI/vectorhub Vector Hub - Library for easy discovery, and consumption of State-of-the-art...	35	Emerging	561	—
26	Altor-lab/altor-vec Client-side vector search powered by HNSW. 54KB gzipped WASM....	35	Emerging	20	Rust
27	danieldk/go2vec Read and use word2vec vectors in Go	35	Emerging	58	Go
28	pgEdge/pgedge-vectorizer A PostgreSQL extension to create chunk tables for existing text data, and...	34	Emerging	30	C
29	thijse/MemoryVectorStore Sample of implementing a simple in-memory vector store	34	Emerging	9	C#
30	Yukasama/vectorize This project allows to upload, train and evaluate AI models based on your...	32	Emerging	2	Python
31	Puzer/github-repo-embeddings Self-supervised embeddings for GitHub repositories from ⭐ Stars. Includes...	32	Emerging	53	Svelte
32	cartersusi/go-knn k-NN Search Go pkg	32	Emerging	5	Go
33	iameztoy/VectorScope VectorScope: Similarity Search with Google’s Satellite Embedding V1 empowers...	32	Emerging	3	JavaScript
34	basedwon/emlet An embedding engine built for the sovereign web.	29	Experimental	1	JavaScript
35	hscells/cui2vec Utility for cui2vec in Go	27	Experimental	13	Go
36	ubugeeei/markdown-embed-github markdown embedding github source links for markdown-it and unified	27	Experimental	1	TypeScript
37	agoor97/Mastering-Vector-DB-for-AI-applications This Repository collects my material about my course (Mastering Vector...	27	Experimental	7	Jupyter Notebook
38	IngestAI/veml Vector Embedding Markup Language - markup language designed specifically for...	27	Experimental	12	—
39	riccardogiuriola/vecs Ultra-fast Semantic Cache Proxy written in pure C	27	Experimental	6	C
40	milosgajdos/go-embeddings Go module for fetching embeddings from embeddings providers	26	Experimental	56	Go
41	url4irl/vectors-gateway A Sidecar service for applications that need vector database functionality...	26	Experimental	1	TypeScript
42	milosgajdos/embeviz A simple app for visualising text embeddings	24	Experimental	23	Go
43	httpjamesm/small-world-rs The easiest HNSW vector index you'll ever use.	24	Experimental	5	Rust
44	wbhob/mistral Unofficial Go bindings for Mistral Le Platforme API, autogenerated from...	23	Experimental	1	Shell
45	AidanTilgner/Simple-Vector-Store A simple way to convert and manage files in vector storage.	23	Experimental	10	Python
46	Mattbusel/llm-embed Zero-dependency single-header C++ text embeddings, cosine similarity, and...	23	Experimental	2	C++
47	codethor0/creativity-exploit-engine Algorithmic creativity engine for security threat scenarios: scores NOVELTY...	22	Experimental	1	Python
48	zoobz-io/vex Type-safe embedding vector generation for Go	22	Experimental	—	Go
49	kaxap/candle-go Use HuggingFace's Candle with Go.	22	Experimental	18	Rust
50	tarekeldeeb/tajweed-embeddings Tajwīd-Aware Embedding Engine for Quranic Recitation AI	22	Experimental	3	Python
51	habedi/multi-vector-hnsw A Java implementation of HNSW with multi-vector search support	22	Experimental	10	Java
52	arcnem-ai/texvec Local-first text similarity search	22	Experimental	—	Go
53	Chaitanyabsprip/cartographer Your personal google	22	Experimental	7	Go
54	arturoornelasb/Triadic-Neurosymbolic-Engine Deterministic neurosymbolic engine — projects embeddings into prime integers...	22	Experimental	—	Python
55	vivekptnk/ProximaKit Pure-Swift vector search for Apple platforms. HNSW from scratch. Zero...	22	Experimental	—	Swift
56	reemabdullah/hnsw_vector_search A high-performance semantic search engine using Hierarchical Navigable Small...	21	Experimental	—	Rust
57	tahsinkoc/embrix A lightweight, production-ready NPM package for generating text embeddings...	21	Experimental	—	TypeScript
58	enot-style/imbeddings-go-sdk Lightweight Go SDK for image-embeddings service	21	Experimental	—	Go
59	ernestojimenezruiz/ernestojimenezruiz.github.io Personal website of Ernesto Jiménez-Ruiz, Senior Lecturer in AI at City St...	21	Experimental	—	HTML
60	arclabs561/innr SIMD-accelerated vector similarity primitives (dot, cosine, norm, maxsim,...	21	Experimental	—	Rust
61	allemandi/embed-utils Fast, type-safe utilities for vector embedding comparison and search.	21	Experimental	—	JavaScript
62	kossisoroyce/vxdf VXDF (Vector eXchange Data Format) is an AI-native container for text,...	20	Experimental	2	Python
63	CodelyTV/postgresql-auto_embeddings-course Automatic embeddings in Postgres course examples	20	Experimental	3	TypeScript
64	VajraM-dev/embedorg A full-stack, containerized platform enabling document management, vector...	20	Experimental	3	TypeScript
65	jawerty/html2vec Vectorize HTML files and generate embeddings with structural and semantic...	20	Experimental	11	JavaScript
66	malakhovks/docsim UkrVectōrēs (former docsim) – an NLU-powered tool for knowledge discovery,...	20	Experimental	5	JavaScript
67	milosgajdos/embeddings-fun A simple Go project that generates charts from embeddings	20	Experimental	6	HTML
68	husniadil/vector-embeddings-qa This repository demonstrates the implementation of text embeddings for...	20	Experimental	2	Python
69	Florents-Tselai/pgllm Use LLMs in Postgres	20	Experimental	7	C
70	eja/proxemb a lightweight embedding proxy server with caching	19	Experimental	3	Go
71	arturoeanton/go-example-nomic-embed-text This project demonstrates how to integrate text embeddings using...	17	Experimental	1	Go
72	melvinchia3636/imageUploader An image delivery network	17	Experimental	1	JavaScript
73	joe32140/maxsim-web Fast JavaScript MaxSim implementation for ColBERT retrieval. Supports pure...	17	Experimental	—	JavaScript
74	AI-NOSUKE/PVM PVM（Phantom Vector...	17	Experimental	—	Python
75	yossideutsch1973/breeze Ultra-Concise Local LLM Library for Go	17	Experimental	—	Go
76	Vishvam10/proxima A simple HNSW library written in C++	14	Experimental	1	C++
77	ElKornacio/pg_auto_embeddings Text embeddings calculation for Postgres, without extensions. Simple,...	14	Experimental	15	TypeScript
78	astralarkitekt/qualia-tongue Deterministic symbolic algebra prevents mode collapse in LLM synthetic...	14	Experimental	—	TypeScript
79	3p3r/cpu-embeddings embeddings generated on CPU for lightweight classification tasks	13	Experimental	—	TypeScript
80	brehldev/opensearch-automatic-embeddings Set up OpenSearch to automatically generate embeddings for incoming data...	13	Experimental	—	Shell
81	DewduSendanayake/EmbedSense A Chrome extension that securely runs TensorFlow.js and the Universal...	13	Experimental	2	JavaScript
82	altamsh04/zeno4a Vector cache for AI embeddings written in Go.	13	Experimental	—	—
83	Syed007Hassan/Document-Querying-With-VectorDB Document Querying with LLMs - Google PaLM API: Semantic Search With LLM Embeddings	13	Experimental	9	Python
84	Knoppiix/InstaEmbedRouter basically just a reverse-proxy to make Instagram posts embeds work...	12	Experimental	1	Go
85	kelindar/bert Go wrapper for bert.cpp embeddings library using cgo/dll approach.	12	Experimental	6	Go
86	VorticonCmdr/simcheck a chrome extension which uses transformers.js to generate and compare vector...	11	Experimental	3	JavaScript
87	tensor-ninja/crawlerjs A simple utility for transforming .md files to vector embeddings with metadata	11	Experimental	4	TypeScript
88	mtanig/openai-embeddings-vald-search 記事「OpenAI Embeddings APIとベクトル検索エンジンValdを使って類似文章検索をしてみよう」のコード	11	Experimental	3	Jupyter Notebook
89	geniuskitchen-ai/vector-search Code Samples for getting started with Vector Search, Embeddings, Vector...	11	Experimental	—	—
90	NarodGaming/NDB.Library.Embeds This library provides Discord.NET bots, including NDB, with easy embed functionality.	11	Experimental	—	C#
91	asaintsever/vectorproxy Proxy to compute or delegate generation of vector embeddings before storage...	11	Experimental	—	Go
92	JoramMillenaar/relate-text A REST API and CLI tool for managing text embeddings and querying...	11	Experimental	—	TypeScript
93	VorticonCmdr/hclust agglomerative hierarchical clustering for Node.js	11	Experimental	—	JavaScript
94	DrewMcArthur/embedding-firehose A firehose of post embeddings, downstream of the bluesky firehose	10	Experimental	2	TypeScript

Comparisons in this category

azure-search-vector-samples and azure_kusto_vector (61 vs 39)