Semantic Search Engines Vector Databases

Complete semantic search applications and engines that retrieve relevant results by understanding meaning and context across text, audio, images, or files. Does NOT include vector databases, embedding models, or RAG chatbots—only end-to-end search tools and demonstrations.

There are 161 semantic search engines tools tracked. 2 score above 70 (verified tier). The highest-rated is meilisearch/meilisearch at 85/100 with 56,362 stars and 1,441,964 monthly downloads. 4 of the top 10 are actively maintained.

Get all 161 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=vector-db&subcategory=semantic-search-engines&limit=20"

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#	Tool	Score	Tier	Stars	Language
1	meilisearch/meilisearch A lightning-fast search engine API bringing AI-powered hybrid search to your...	85	Verified	56,362	Rust
2	nuclia/nucliadb NucliaDB, The AI Search database for RAG	71	Verified	716	Python
3	vespa-engine/vespa AI + Data, online. https://vespa.ai	68	Established	6,820	Java
4	ICIJ/datashare A self‑hosted search engine for documents	67	Established	713	Java
5	PrithivirajDamodaran/FlashRank Lite & Super-fast re-ranking for your search & retrieval pipelines. ...	60	Established	948	Python
6	marcominerva/SqlDatabaseVectorSearch A Blazor Web App and Minimal API for performing RAG (Retrieval Augmented...	57	Established	135	C#
7	fergiemcdowall/search-index A persistent, network resilient, full text search library for the browser and Node.js	55	Established	1,425	JavaScript
8	Azure-Samples/azure-sql-db-vector-search Samples about using vector in SQL Server and Azure SQL	54	Established	91	Jupyter Notebook
9	oramasearch/orama 🌌 A complete search engine and RAG pipeline in your browser, server or edge...	53	Established	10,221	TypeScript
10	abhijithneilabraham/tableQA AI Tool for querying natural language on tabular data.	53	Established	318	Python
11	treygrainger/ai-powered-search The codebase for the book "AI-Powered Search" (Manning Publications, 2025)	52	Established	372	Jupyter Notebook
12	kreeben/resin Language model search engine built on a vector database and an anything...	51	Established	576	C#
13	bent10/boox Search anything, instantly	51	Established	5	TypeScript
14	smclab/openk9 🔍 Open Source Enterprise Cognitive Search Engine	51	Established	48	Java
15	DavidMStraub/sifts Simple full text & vector search engine Python library	50	Established	4	Python
16	oramasearch/oramacore OramaCore is the complete runtime you need for your projects, answer...	49	Emerging	245	Rust
17	zjohn77/retrieval Tunable full text search engine in JavaScript that: (1) works natively on...	49	Emerging	35	JavaScript
18	neonwatty/meme-search The open source Meme Search Engine and Finder. Free and built to self-host...	47	Emerging	640	HTML
19	AmirLayegh/procurement-ai-assistant 🏆 AI Procurement Assistant - Google Cloud Sweden Hackathon Winner. Natural...	47	Emerging	23	TypeScript
20	upstash/wikipedia-semantic-search Semantic Search on Wikipedia with Upstash Vector	47	Emerging	471	TypeScript
21	poloclub/mememo A JavaScript library that brings vector search and RAG to your browser!	45	Emerging	158	TypeScript
22	monkesearch/monkeSearch fully local, temporally aware natural language file search on your pc! even...	45	Emerging	174	Python
23	microsoft/YOLaT-VectorGraphicsRecognition Source Code of NeurIPS21 and T-PAMI24 paper: Recognizing Vector Graphics...	45	Emerging	101	Python
24	fukurosan/Jhaystack A JavaScript search engine with zero dependencies.	44	Emerging	13	TypeScript
25	superlinked/superlinked Superlinked is a Python framework for AI Engineers building high-performance...	43	Emerging	1,501	Jupyter Notebook
26	scylladb/vector-search-examples Vector search examples with ScyllaDB	43	Emerging	4	Python
27	AtomicSearch/AI-search-engine Instant AI Search Engine, using React with ViteJS 🚀 A modern and...	42	Emerging	4	TypeScript
28	GoogleCloudPlatform/spanner-bb-samples Samples showcasing Spanner multi model capabilities - across relational,...	42	Emerging	6	Python
29	inboxpraveen/Context-Search-Engine Context Search Engine is an AI-powered semantic document search platform...	41	Emerging	13	Python
30	decisionfacts/semantic-ai An open source framework for Retrieval-Augmented System (RAG) uses semantic...	41	Emerging	22	Python
31	hariharaprabhu/tabsearch Package for Vector Search over a tabular dataset across multiple columns	39	Emerging	7	Python
32	Textualization/php-semantic-search PHP Semantic Search Classes	37	Emerging	11	PHP
33	desteves/wonders-of-the-world A Python-based Vector Search REST endpoint demo using MongoDB Atlas and Pulumi	36	Emerging	1	Python
34	tim-hub/bible-vector-search Bible verse search in meaning theough embedding and vector database.	36	Emerging	26	TypeScript
35	fpgmaas/pyatlas Browse the top 10,000 packages on PyPI with the help of vector embeddings	34	Emerging	87	TypeScript
36	shivvamm/Search-With-Aisia AI Search engine	34	Emerging	13	JavaScript
37	mongodb-industry-solutions/retail-pricing-search-personaliztion Retail AI pricing and personalization enhanced search results	34	Emerging	4	Jupyter Notebook
38	patricktrainer/duckdb-embedding-search Fast similarity search using DuckDB	34	Emerging	146	Python
39	nicogis/VectorSearchXAF Simple PoC of RAG in XAF Blazor	32	Emerging	2	C#
40	BjornMelin/vector-vault ⚡ Instantly index, deduplicate, and search your code, docs, and web content...	32	Emerging	3	—
41	aws-samples/opensearch-serverless-common-usage-patterns Typical use cases of opensearch serverelss: search, time-series, kinesis...	32	Emerging	19	Python
42	tokenmill/beagle Beagle helps you identify keywords, phrases, regexes, and complex search...	31	Emerging	54	Clojure
43	Aquila-Network/aquila An easy to use Neural Search Engine. Index latent vectors along with JSON...	31	Emerging	379	HTML
44	Sidhey/search 🔍 Implement hybrid search using Vespa and FastAPI, blending BM25 and dense...	30	Emerging	1	Python
45	Jeet-Chugh/ask-discord semantic search for discord channels	30	Emerging	2	Python
46	esteininger/vector-search The definitive guide to using Vector Search to solve your semantic search...	29	Experimental	270	Jupyter Notebook
47	imagodata/filter_mate FilterMate is a Qgis plugin, an everyday companion that allows you to easily...	29	Experimental	3	Python
48	Bohdan-Khomtchouk/PubData Smart search engine for all bioinformatics databases worldwide	29	Experimental	27	Python
49	kamranxdev/Perplexify About Perplexify is an AI-powered search engine. It is an Open source...	28	Experimental	14	TypeScript
50	Joangeldelarosa/aiquery Interact with your databases using OpenAI Natural Language Processing (NPL)	28	Experimental	13	TypeScript
51	kmcleste/oracle-of-ammon CLI utility for creating Search APIs	28	Experimental	4	Python
52	AllanYiin/SQLRAG SQL Server as a vector database, SQL Server Extenstion for RAG	28	Experimental	25	C#
53	encoder-run/operator Kubernetes operator for producing vector embeddings based on source code...	27	Experimental	50	TypeScript
54	CarterPerez-dev/vuemantics Semantic media search with Qwen2.5-VL + bge-m3 embeddings and pgvector	27	Experimental	2	Python
55	Spartee/LLM-VectorDB-Bootcamp Course material for the DSD bootcamp on combining large language models with...	26	Experimental	5	Jupyter Notebook
56	rahulapjs/SearchlyAI SearchlyAI is a full-stack RAG search engine built with FastAPI and React...	25	Experimental	2	Python
57	dcs-soni/stash-it "Stash It" is a React and TypeScript-based web application for securely...	25	Experimental	3	TypeScript
58	MohamedRebai41/Ripple_Backend Ripple is an AI-driven influencer marketing platform. This microservice...	24	Experimental	5	Python
59	Artmann/olingo Lightweight semantic search database with text embeddings for Node.js and Bun	24	Experimental	1	TypeScript
60	surinderlohat/searchkit Plug-in vector search for any stack — one container, zero config, production ready.	23	Experimental	1	Python
61	dev-vivekkumarverma/typesense typesense project	22	Experimental	2	Python
62	wosledon/Berry Berry — 可扩展的 .NET 模块化 RAG 与向量检索框架，包含 Embeddings、VectorStore、RAG...	22	Experimental	1	TypeScript
63	rineshpk/dotnet-rag-pgvector This project demonstrates how to build a semantic search + RAG pipeline using .NET	22	Experimental	—	C#
64	alibaghernejad/retraven A cloud-native search and recommendation playground built on top of .NET...	22	Experimental	1	F#
65	herakles-dev/athenaeum Self-hosted semantic library platform — upload docs, search by meaning, chat...	22	Experimental	1	Python
66	conceited-watergillyflower311/meilisearch-desktop Manage Meilisearch instances across platforms with a desktop app built using...	22	Experimental	—	TypeScript
67	rineshpk/dotnet-vector-search-demo Building a .NET RAG Application with PostgreSQL pgvector for AI Vector...	22	Experimental	—	C#
68	22AD040/smart-ai-knowledge-navigator AI-powered semantic search and knowledge intelligence platform built with...	22	Experimental	—	Python
69	Kelvin-genya/indexer Submit URLs in bulk to Google Indexing API and IndexNow with auto key...	22	Experimental	—	TypeScript
70	fr0ziii/recall An schema multimodal semantic search engine with dynamic schema validation,...	21	Experimental	—	Python
71	PanGan21/vector-lab Educational semantic search CLI for embeddings and vector search.	21	Experimental	—	Python
72	whmatrix/research-corpus-discovery Semantic search framework for research archives. FAISS indices, e5-large-v2...	21	Experimental	—	Python
73	EricFillion/ericsearch A local vector search engine built for speed and scalability	21	Experimental	—	Python
74	whmatrix/semantic-indexing-batch-02 Large-scale semantic indexing pipelines producing 8.35M+ vectors across...	21	Experimental	—	Python
75	alDuncanson/latent Peer into latent space.	21	Experimental	2	Go
76	myriel-io/vectorsearch VectorSearch.Tech - Blog articles , tutorials, and guides on latest search...	21	Experimental	3	HTML
77	ARUNAGIRINATHAN-K/Search-App A web-based search application for .txt files with five algorithms (Linear,...	21	Experimental	6	HTML
78	whmatrix/semantic-indexing-batch-01 661K-vector semantic indexing across 6 datasets. e5-large-v2 embeddings,...	21	Experimental	—	HTML
79	chrishenyard/Vector.Search AI Solution for Indexing Source Code	21	Experimental	—	C#
80	jabing/memsearch-ts Semantic memory search for markdown knowledge bases — TypeScript/Node.js...	21	Experimental	—	TypeScript
81	TechAlumnus/vectorflow-lab An interactive 2D/3D playground for visualizing Vector Similarity metrics...	21	Experimental	—	TypeScript
82	tigranbs/search-engine-example-text-embeddings This project has been created to demonstrate how we can build modern Search...	21	Experimental	9	TypeScript
83	qingfengqx/Semantic-Search 🔍 Enable precise semantic image, video, and document search in ComfyUI using...	21	Experimental	—	Python
84	anurag0510/semantic-search-engine An event-driven, distributed system for semantic text matching, enabling...	21	Experimental	—	Rust
85	markkr125/vector-retriever Full-featured document search system with semantic/keyword hybrid search,...	21	Experimental	—	JavaScript
86	hordiales/audio-semantic-search-for-journalists Demo project. Semantic audio search for journalists	21	Experimental	—	HTML
87	Pango470/ARK-index 🗂 Generate fast, language-aware code indexes with automatic test mapping and...	21	Experimental	—	TypeScript
88	f0lio/discontext Semantic search for Discord messages.	21	Experimental	9	TypeScript
89	ShankarKakumani/eywa A local-first knowledge base with hybrid search and cross-encoder reranking....	21	Experimental	2	Rust
90	pronzzz/llm-search-engine A robust local AI search engine built with Streamlit and FAISS that uses...	21	Experimental	—	Python
91	manncodes/fontsearch project for HackSC '24 1st position - Artists track	21	Experimental	9	Jupyter Notebook
92	praveenc/simple-knowledge-base A simple, local-first semantic knowledge base. Add documents, search with...	20	Experimental	1	Python
93	abhirockzz/cosmosdb-vector-search-python-typescript-java-dotnet A getting started guide for folks who are looking for a way to quickly and...	20	Experimental	8	Java
94	shubham-web/reusable-vector-search-service [WORK IN PROGRESS] Complete vector search stack • Document processing...	20	Experimental	3	Python
95	pratyushmohit/semantic-search A FastAPI-based web application that enables semantic search using a Qdrant...	20	Experimental	5	Python
96	wesleyscholl/PHind 🔍 PHind what you mean, not just what you type. Semantic search for PHP with...	20	Experimental	1	PHP
97	vemonet/concept-resolver 🔎 A name resolution service for biomedical concepts, using vector databases...	19	Experimental	3	Python
98	rooneyrulz/vector-search-sandbox This repository contains my practice and experiments with vector search and...	19	Experimental	1	JavaScript
99	zyang37/beyond_vector_search Beyond Vector Search: Hybrid Vector/Knowledge Graph Query Engine for...	19	Experimental	1	Jupyter Notebook
100	ishaanjav/prot2tex-protein-search Semantic search tool for proteins based off natural-language functional description	19	Experimental	3	TypeScript
101	jonahknip/o-drive-indexer Fast, AI-powered file search tool for shared drives. Index thousands of...	19	Experimental	—	Python
102	lyteabovenyte/Offline-Search Search the world you’ve saved, anytime, anywhere. (WAR EDITION)	18	Experimental	1	Rust
103	ciCciC/news-article-vector-search Blazing fast real-time NRC search empowered with multilingual SLM and Qdrant	18	Experimental	6	Jupyter Notebook
104	yashmahe2020/SemanticSearch High-performance semantic search engine using Vector embeddings for...	18	Experimental	1	TypeScript
105	innovatorved/VectorBase Our powerful image search engine uses vector databases to store and search...	18	Experimental	22	JavaScript
106	TerboucheHacene/ScholarSense A Neural Search Tool that helps you find relevant papers to read based on...	18	Experimental	2	Python
107	hissain/AndroidSemanticSearch A minimalistic Android app showcasing semantic search using ObjectBox and...	18	Experimental	2	Jupyter Notebook
108	Med-Karim-Ben-Boubaker/localume Localume is a powerful desktop application that enables semantic search...	18	Experimental	2	Python
109	tsureshkumar/semdesk Semantic Desktop Search - search for answers not the file names	17	Experimental	1	Rust
110	const-nishant/personal-drive Built a production-ready personal cloud drive with semantic document search...	17	Experimental	—	Python
111	mdnaseif/SuitAI-Search-Engine SuitAI-Search-Engine is an innovative AI-powered search engine designed to...	17	Experimental	1	Jupyter Notebook
112	chipsxp/ResearchAI An AI-powered semantic search and information retrieval system built with...	16	Experimental	1	JavaScript
113	ivancasenda/semantic-search This project performs a semantic search on Stackoverflow datasets. It uses...	16	Experimental	1	Jupyter Notebook
114	AlextianCreative/AlextianCreative.github.io Root Repository	15	Experimental	—	HTML
115	StevenRice99/Vector-Search Efficient searching for arXiv papers	15	Experimental	1	C#
116	NasitSony/SmartSearch Production-style semantic search and RAG backend built as a distributed...	14	Experimental	—	Java
117	HrushiBorhade/code-indexer Semantic code search engine inspired by Cursor. AST chunking via...	14	Experimental	—	JavaScript
118	suvratsharma7/knowledge-search-system 🔍 Hybrid Search (BM25 + FAISS) with real-time KPI monitoring, nDCG...	14	Experimental	—	Python
119	Sakshi3027/natural-language-analyst Ask questions about your data in plain English - powered by Node.js and SQLite	14	Experimental	1	JavaScript
120	nethra0906/ClusterCache A semantic search system using vector embeddings, fuzzy clustering, FAISS...	14	Experimental	1	Python
121	SonPari1/Search-Engine-Ui # Search Engine UI![Search Engine UI Cover](Assets/Image/Cover.jpg)**Search...	14	Experimental	—	CSS
122	thiagoaramizo/vetorial-search-service Backend API for data registration and semantic search, acting as an MCP...	14	Experimental	1	TypeScript
123	heresalord/localsearchengine Local, privacy-first desktop search engine for documents using semantic...	14	Experimental	1	Python
124	ad8tea/endee-semantic-search This project is a semantic search system using transformer embeddings and...	14	Experimental	1	Python
125	shrimpy8/semantic-search-next A full-stack RAG (Retrieval Augmented Generation) application with hybrid...	14	Experimental	1	Python
126	pickhottea/lineage-aware-semantic-retrieval A lineage-aware semantic retrieval system with controlled data lanes, chunk...	13	Experimental	—	Python
127	jacobmarks/semantic-document-search-plugin Semantically search through OCR text blocks with Qdrant, Sentence...	13	Experimental	9	Python
128	parva-kothari/Newsgroup Semantic search system over the 20 Newsgroups dataset with fuzzy GMM...	13	Experimental	—	Python
129	RimaNafougui/ArxivSearchEngine Vector-based semantic search engine using Sentence Transformers. Features...	13	Experimental	—	Python
130	vainiovesa/Bible-vector-search-openai Semantic verse search with OpenAI text embedding	13	Experimental	—	Python
131	SAHIXXX12/AI-Search-Engine 🔍 Build an AI-powered search engine with React, TypeScript, and Vite for...	13	Experimental	—	TypeScript
132	samarthumrao/endeeProject AI-powered ticket classification system built with Django and Endee Vector...	13	Experimental	—	C++
133	MrMinor-dev/data-pipeline-framework Hash-based incremental indexing pipeline for 373 AI conversations — <10s...	13	Experimental	—	—
134	j341nono/EmbedVizMemo A next-generation notebook that uses embeddings for semantic search and 3D...	13	Experimental	—	TypeScript
135	ixsanpe/fitness-ai-assistant A multimodal AI system for exercise data with embeddings and semantic...	13	Experimental	—	Python
136	duggal1/Lighting-search A simple yet powerful semantic AI search engine⚡️	13	Experimental	13	TypeScript
137	joeywhelan/jobsearch Demonstration of various query capabilities in the job posting domain.	13	Experimental	—	Jupyter Notebook
138	nabarvn/semantic-search Not your average search engine.	13	Experimental	—	TypeScript
139	NasitSony/AI-Powered-Recommendation-Engine-For-Documents Production-grade semantic search and RAG backend built as a distributed...	13	Experimental	—	Java
140	OrtizDiego/versewise VerseWise is a modern, feature-rich Bible study application designed to...	13	Experimental	—	TypeScript
141	vainiovesa/Bible-vector-search-local Local semantic verse search	13	Experimental	—	Python
142	jaya6400/smart-search-cosdata Semantic Search using Python and Cosdata vector database	13	Experimental	—	HTML
143	Syed8558/search-latency-benchmark Benchmarks lexical and semantic search techniques (BM25, cosine similarity,...	13	Experimental	—	Python
144	elizabethsiegle/art-vector-search-cloudflare Find art with AI using Cloudflare's Vector Database Vectorize, LlaVA and...	12	Experimental	6	HTML
145	indaos/DeepFinder A macOS app that enhances file search with keyword-based sorting, AI-powered...	12	Experimental	5	Swift
146	gsbingo17/spanner-media-search-demo This repository contains the implementation of a media search application...	12	Experimental	5	JavaScript
147	AceAtDev/VecterDB-Q Production-grade semantic search engine with custom vector indexing...	12	Experimental	1	Python
148	Aryangp/429_to_many_request Our project is a robust, flexible catalog search engine for e-commerce,...	12	Experimental	5	Jupyter Notebook
149	barlevo/yad2-semantic-search A semantic search engine powered by ML embeddings and vector search for...	12	Experimental	1	Python
150	lhg96/semantic-rd-insight-engine Korean R&D document pipeline for patents, grants, papers, and PDFs with...	12	Experimental	1	Python
151	ericwarriner/Oracle23aiVectorSearch A prototype web application using Oracle 23ai Vector Search Technology to...	12	Experimental	1	TypeScript
152	mdietrichstein/ir-search-engine-rust Rust-based text search engine from scratch supporting multiple document...	12	Experimental	5	Rust
153	File-Sense/engine Semantic File Search Desktop Application AI Engine	11	Experimental	—	Python
154	ranfysvalle02/mdb-openfga This repository showcases how to integrate MongoDB Atlas Vector Search with...	11	Experimental	3	Python
155	aakashks/intelligent-object-search ROS2 Intelligent Object Search from Swarm Patrol Feed	11	Experimental	4	Python
156	qaziok/iis-api API for managing the search in multiple vector databases with build-in test...	11	Experimental	—	Python
157	DeadBranches/logseq-tabler-icon-search A backend and UI for semantic search over tabler icons in logseq	11	Experimental	—	Python
158	BBurgarella/PymvDB A vector database for images, with the possibility to run a similarity...	11	Experimental	—	Python
159	brylie/wagtail-vector-blog Experimenting with Wagtail vector search (and possibly chat) by creating a blog	11	Experimental	—	Python
160	LeonSilva15/atlas-vector-search Vector Search RAG using LLMs and Atlas	10	Experimental	2	Python
161	divithraju/divith-raju-SearchEngine-Wikipedia search engine optimizationA complete search engine experience built on top...	10	Experimental	2	Python

Comparisons in this category

SqlDatabaseVectorSearch and azure-sql-db-vector-search (57 vs 54)