Keyword Extraction NLP Tools

Tools and algorithms for automatically extracting important keywords and keyphrases from text documents. Includes supervised, unsupervised, and neural approaches (TextRank, PositionRank, RAKE, LDA, embedding-based methods). Does NOT include general text analysis, topic modeling frameworks, or named entity recognition.

There are 56 keyword extraction tools tracked. 8 score above 50 (established tier). The highest-rated is vi3k6i5/flashtext at 62/100 with 5,706 stars.

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#	Tool	Score	Tier	Stars	Language
1	vi3k6i5/flashtext Extract Keywords from sentence or Replace keywords in sentences.	62	Established	5,706	Python
2	alirezatheh/perke A keyphrase extractor for Persian	60	Established	72	Python
3	andrewtavis/kwx BERT, LDA, and TFIDF based keyword extraction in Python	60	Established	76	Python
4	cbaziotis/ekphrasis Ekphrasis is a text processing tool, geared towards text from social...	58	Established	675	Python
5	lovit/KR-WordRank 비지도학습 방법으로 한국어 텍스트에서 단어/키워드를 자동으로 추출하는 라이브러리입니다	56	Established	353	Python
6	gagan3012/keytotext Keywords to Sentences	53	Established	451	Jupyter Notebook
7	vgrabovets/multi_rake Multilingual Rapid Automatic Keyword Extraction (RAKE) for Python	53	Established	272	Python
8	boudinfl/pke Python Keyphrase Extraction module	50	Established	1,590	Python
9	SkBlaz/rakun2 RaKUn 2.0 - A fast keyword detection algorithm	47	Emerging	72	Python
10	boudinfl/ake-datasets Large, curated set of benchmark datasets for evaluating automatic keyphrase...	46	Emerging	147	Shell
11	yuewang-cuhk/TAKG The official implementation of ACL 2019 paper "Topic-Aware Neural Keyphrase...	46	Emerging	153	Python
12	JRC1995/TextRank-Keyword-Extraction Keyword extraction using TextRank algorithm after pre-processing the text...	46	Emerging	112	Jupyter Notebook
13	WuLC/KeywordExtraction Implementation of algorithm in keyword extraction,including TextRank,TF-IDF...	46	Emerging	106	Java
14	SkBlaz/rakun Rank-based Unsupervised Keyword Extraction via Metavertex Aggregation	45	Emerging	99	C
15	philgooch/abbreviation-extraction Python3 implementation of the Schwartz-Hearst algorithm for extracting...	44	Emerging	88	Python
16	JacksonCakes/chinese_keybert A minimal chinese keywords extraction with BERT	43	Emerging	10	Python
17	sahyagiri/DistinctKeywords semantically distinct key phrase extraction using hilbert hashes.	41	Emerging	51	Jupyter Notebook
18	Neuw84/RAKE-Java A Java implementation of the Rapid Automatic Keyword Extraction Framework ( RAKE )	41	Emerging	29	Java
19	ymym3412/position-rank PositionRank: An Unsupervised Approach to Keyphrase Extraction from...	40	Emerging	95	Python
20	IKJ1992/PerDeepKE Persian Keyword Extraction with Deep Learning \| Python Library 📚	40	Emerging	3	Python
21	JackHCC/Chinese-Keyphrase-Extraction 无监督中文关键词抽取（Keyphrase Extraction），基于统计，基于图【LDA与PageRank（TextRank， TPR，...	39	Emerging	109	Python
22	eklem/eklem-headline-parser Determines the most relevant keywords from an article headline combined with...	39	Emerging	5	JavaScript
23	shdev/phpflashtext Extract Keywords from sentence or Replace keywords in sentences. @...	37	Emerging	20	PHP
24	wjbmattingly/keyword-spacy Keyword spaCy is a spaCy pipeline component for extracting keywords from...	37	Emerging	13	Jupyter Notebook
25	PBPatil/Keyword-Extracter Problem Statement: Given a particular PDF/Text document ,How to extract...	34	Emerging	21	Jupyter Notebook
26	ThalesGroup/t-keir T-KEIR is a set of NLP REST services for Knowledge Extraction to Information...	33	Emerging	6	Raku
27	tugascript/keyword-extraction-rs Keyword extraction algorithms in Rust	32	Emerging	30	Rust
28	Neuw84/CValue-TermExtraction A free implementation of the C-Value algorithm	31	Emerging	9	Java
29	xang1234/rapid-textrank ⚡ High-performance TextRank in Rust with Python bindings. Extract keywords...	31	Emerging	1	Rust
30	thinkwee/UniKeyphrase [ACL2021] A Unified Extraction and Generation Framework for Keyphrase Prediction"	31	Emerging	25	Python
31	anmolpant/keyword-extraction Implementation of the keyword extraction from short text technique.	30	Emerging	6	Jupyter Notebook
32	ainsleyclark/nlp NLP (Natrual Language Processing) API via the pke (Python Keyphrase...	29	Experimental	1	Python
33	surajiyer/spacycaKE Simple keyphrase extraction extensions and pipeline components for spaCy.	28	Experimental	4	Jupyter Notebook
34	Cantellos/text-mining-keywords-extraction LocalMaxs algorithm for extracting explicit and implicit keywords from text...	27	Experimental	1	Python
35	yaniv-shulman/chunkey-bert ChunkeyBert is a minimal and easy-to-use keyword extraction technique that...	26	Experimental	1	Python
36	ashwathkris/Keyphrase-Extraction-using-BERT-as-a-Sentence-Embedder Keyphrases are words or short phrases that best describe a given input text...	25	Experimental	5	Jupyter Notebook
37	Ankitkalauni/Keyword_Extractor The keyword extraction process helps us in identifying the important words....	25	Experimental	6	Python
38	711nishtha/TextCraft-NLP-Skills Educational NLP project exploring classical keyword extraction algorithms...	24	Experimental	1	HTML
39	KDT-Hot6/final_project KRwordrank 및 SentenceBERT를 응용한 음식점 키워드 추출 코드 및 모델입니다.	23	Experimental	3	Python
40	arjunkavungal/Reddit-Keyword-Research find the most relevant keywords	23	Experimental	4	Python
41	bichngocdo/kpe Unsupervised Keyphrase Extraction	22	Experimental	2	Python
42	jackragless/GloTex-Glossary-Term-Extractor Trained Transformer neural network to identify keyphrases in text. These...	21	Experimental	1	Python
43	hailiang-wang/keyphrase-cpp Automatic Keyphrase Extraction: A Survey of the State of the Art	20	Experimental	8	C++
44	ossteam8/LDA-TextRank-keyword Keyword extractor using LDA and TextRank combined	19	Experimental	4	Jupyter Notebook
45	christophsk/fast-rake A very efficient implementation of the Rapid Automatic Keyword Extraction...	19	Experimental	4	Python
46	altuncu/AKE The source codes presented in the paper titled "Improving Performance of...	18	Experimental	1	Python
47	nhatminhbui/en-keyword-extractor Extract keywords in your English documents.	17	Experimental	1	JavaScript
48	rohitgarud/NLP-Keyword-extraction An archive of keyword extraction methods in NLP	17	Experimental	1	Jupyter Notebook
49	boudinfl/semeval-2010-pre Preprocessed SemEval-2010 benchmark dataset for keyphrase extraction	12	Experimental	7	—
50	alokkumary2j/RapidAutomaticKPExtractionRAKE This repository contains my experiments with RAKE and its variants. RAKE is...	12	Experimental	5	Jupyter Notebook
51	bohrium272/rake A Go based implementation of the Rake Text Ranking Algorithm	11	Experimental	3	Go
52	Ashishkumar-hub/Keyword-Extractor- Keyword extraction from data using yake	11	Experimental	3	Python
53	JackHCC/Keyphrase-Extraction Keyphrase Extraction by using Topic PageRank（TextRank， TPR， Salience Rank，...	11	Experimental	4	Python
54	web-lifter/keyword-clustering A script is designed to help SEO specialists, data analysts, and digital...	11	Experimental	4	—
55	sarmad9987/Unsupervised-Keyword-extraction Keyword extraction from UCAS statements of students application.	11	Experimental	—	Python
56	Norvik-Alexian/yake_keywords_extractor Using yake library we extracting keywords from given text	10	Experimental	2	Python

Comparisons in this category

multi_rake and RAKE-Java (53 vs 41) rakun2 and rakun (47 vs 45) perke and PerDeepKE (60 vs 40)