Semantic Search Engines NLP Tools

Tools for building search systems that match semantic meaning and relevance using embeddings, neural networks, and dense/sparse retrieval methods. Does NOT include general information retrieval frameworks, traditional keyword-based search, or downstream NLP tasks like Q&A or summarization.

There are 51 semantic search engines tools tracked. 3 score above 50 (established tier). The highest-rated is smart-on-fhir/cumulus-etl at 60/100 with 22 stars.

Get all 51 projects as JSON

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

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#	Tool	Score	Tier	Stars	Language
1	smart-on-fhir/cumulus-etl Extract FHIR data, Transform with NLP and DEID tools, and then Load FHIR...	60	Established	22	Python
2	mirkosertic/FXDesktopSearch A JavaFX based desktop search application.	57	Established	181	Java
3	opensemanticsearch/open-semantic-search Open Source research tool to search, browse, analyze and explore large...	51	Established	1,154	Shell
4	opensemanticsearch/open-semantic-etl Python based Open Source ETL tools for file crawling, document processing...	49	Emerging	278	Python
5	opensemanticsearch/open-semantic-search-apps Python/Django based webapps and web user interfaces for search, structure...	46	Emerging	99	CSS
6	opensemanticsearch/open-semantic-entity-search-api Open Source REST API for named entity extraction, named entity linking,...	46	Emerging	200	Python
7	naver/splade SPLADE: sparse neural search (SIGIR21, SIGIR22)	45	Emerging	984	Python
8	AnthonySigogne/web-search-engine-ui UI - a simple web search engine	41	Emerging	32	HTML
9	hannawong/ColXLM Multilingual Retrieval on Yelp Search Engine ⚡	41	Emerging	80	Python
10	davidemiceli/natural-language-flows A very simple prototype of Natural Language Flow builder and Natural...	41	Emerging	5	JavaScript
11	RugvedMavidipalli/Search-Engine Search Engine built using Java	39	Emerging	17	Java
12	RameshAditya/scoper Fuzzy and semantic search for captioned YouTube videos.	37	Emerging	268	Python
13	o19s/hello-nlp A natural language search microservice	37	Emerging	95	Python
14	metehan777/google-rerank-tool A Python cli-command tool for creating reports for any Google query.	35	Emerging	8	Python
15	Leoglme/node-nlp-typescript nlp.js from axa-group in typescript 🚀. NLP library for building bots 🤖, with...	35	Emerging	24	TypeScript
16	yiming-liao/zhq 完全運行於客戶端的中文檢索引擎	33	Emerging	9	TypeScript
17	lszoszk/UN-TreatyBodiesDocSearch Application enabling to search through the General Comments/ Recommendations...	33	Emerging	2	HTML
18	cabeywic/knowledge-base-search This project provides an efficient and scalable solution to search and query...	32	Emerging	4	Python
19	george-gca/ai_papers_search_tool Automatic paper clustering and search tool by fastext from Facebook Research	31	Emerging	2	Python
20	jpoehnelt/related-documents Find and rank text documents by similarity.	29	Experimental	4	TypeScript
21	lakshaychhabra/MLSearchEngine This repo contains an NLP and ML based Search Engine for Stackoverflow Dataset.	29	Experimental	9	Jupyter Notebook
22	mdipietro09/App_StringsMatcher String Matching Web App	28	Experimental	8	HTML
23	Yahia995/semantic-search-api NLP-powered semantic document search using HuggingFace transformers and FAISS	25	Experimental	5	Python
24	pradeep583/Search-It A lightweight web search engine built using BM25 for keyword relevance, BERT...	24	Experimental	3	Python
25	shreydan/youtube-in-video-search YouTube Question-Answering and Semantic Search.	24	Experimental	5	Python
26	czarinagluna/ml-powered-video-library Machine learning-powered video library that returns accurate results given...	23	Experimental	4	Jupyter Notebook
27	MohammadMoataz2/KnowledgeKapture KnowledgeKapture is an information retrieval system and search engine...	23	Experimental	3	Tcl
28	IvanKotik/Word-cloud-Search-engine-optimisation- Future project on search optimisation via NLP	23	Experimental	2	Jupyter Notebook
29	Anaskaysar/SciRet-Scientific-Information-Made-Easy SciRet is a system that will retrieve authentic and informative data from a...	21	Experimental	1	Jupyter Notebook
30	altescy/tinysearch 🔍 Tiny python library for sparse/dense search	20	Experimental	7	Python
31	thecloaq/cloaq-reranker gRPC service that reranks documents by relevance	20	Experimental	3	Python
32	Somespi/meliora meliora is a command-line tool for sorting files based on their content. that's it.	19	Experimental	3	Python
33	LLRHall/Astria Astria - Intelligent Search Engine for Lawyers and Common people	19	Experimental	13	JavaScript
34	KvaytG/ru-wiki-search Smart search on Russian Wikipedia.	19	Experimental	—	Python
35	TelevisionNinja/search-engine This is a basic search engine I made for my information retrieval class.	18	Experimental	2	HTML
36	deepindexer/deepi-wp WordPress Plugin for Deepi Search. Upgrade your site's "lexical search" to...	17	Experimental	1	PHP
37	frans-johansson/code-query Information retrieval on source code through natural language queries	17	Experimental	1	Python
38	DevAsgari/ai-semantic-search-tool Python-based semantic search tool using pretrained Sentence-BERT for vector...	15	Experimental	—	Python
39	shruticreates01-ship-it/smart-search-ai AI-powered natural language product search (demo + PRD + metrics framework)	15	Experimental	1	—
40	johannkm/goex-search (Winner \| Capital One) A Yelp search app that summarizes reviews using...	13	Experimental	11	Vue
41	IamOmaR22/Django-CRUD-and-TextUtils CRUD Operations and Text-Utils in Django	12	Experimental	6	Python
42	Hoaru/Academic-Search-Engine A search engine	12	Experimental	6	Python
43	RRFLV/project-search Project Search is the code name for the search engine project in development...	11	Experimental	—	—
44	SwapnilVerma209/mini_search An in-progress free and open source search engine.	11	Experimental	—	Python
45	Enoch2090/MAGI MAGI is an semantic searcher over GitHub.	11	Experimental	4	Python
46	nico916/best_search_engine- A "from-scratch" implementation of a search engine in Python. This project...	11	Experimental	—	Python
47	fccapria/scientify Modern platform for managing and sharing scientific publications 📚✨	11	Experimental	—	JavaScript
48	abhinav-bohra/CoeuSearch Neural File Search Engine	11	Experimental	3	CSS
49	HannahIgboke/Semantic-Based-Video-Subtitle-Search-engine Leveraged natural language processing and machine learning techniques to...	11	Experimental	3	Jupyter Notebook
50	al-alamin/StracerBot This repository contains codes and documentation for research project...	10	Experimental	2	Jupyter Notebook
51	SakuraPuare/ApolloDatabase Apollo 自动驾驶文档全文搜索平台 \| Full-text search platform for Apollo autonomous...	10	Experimental	1	TypeScript

Comparisons in this category

open-semantic-search and open-semantic-search-apps (51 vs 46)