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 50 keyword extraction tools tracked. 1 score above 70 (verified tier). The highest-rated is vi3k6i5/flashtext at 72/100 with 5,706 stars and 2,269,594 monthly downloads.

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#	Tool	Score	Tier	Stars	Language
1	vi3k6i5/flashtext Extract Keywords from sentence or Replace keywords in sentences.	72	Verified	5,706	Python
2	cbaziotis/ekphrasis Ekphrasis is a text processing tool, geared towards text from social...	65	Established	675	Python
3	andrewtavis/kwx BERT, LDA, and TFIDF based keyword extraction in Python	65	Established	76	Python
4	alirezatheh/perke A keyphrase extractor for Persian	64	Established	72	Python
5	vgrabovets/multi_rake Multilingual Rapid Automatic Keyword Extraction (RAKE) for Python	61	Established	272	Python
6	gagan3012/keytotext Keywords to Sentences	59	Established	451	Jupyter Notebook
7	lovit/KR-WordRank 비지도학습 방법으로 한국어 텍스트에서 단어/키워드를 자동으로 추출하는 라이브러리입니다	59	Established	353	Python
8	SkBlaz/rakun2 RaKUn 2.0 - A fast keyword detection algorithm	53	Established	72	Python
9	boudinfl/pke Python Keyphrase Extraction module	50	Established	1,590	Python
10	WuLC/KeywordExtraction Implementation of algorithm in keyword extraction,including TextRank,TF-IDF...	46	Emerging	106	Java
11	boudinfl/ake-datasets Large, curated set of benchmark datasets for evaluating automatic keyphrase...	46	Emerging	147	Shell
12	yuewang-cuhk/TAKG The official implementation of ACL 2019 paper "Topic-Aware Neural Keyphrase...	46	Emerging	153	Python
13	JRC1995/TextRank-Keyword-Extraction Keyword extraction using TextRank algorithm after pre-processing the text...	46	Emerging	112	Jupyter Notebook
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	sahyagiri/DistinctKeywords semantically distinct key phrase extraction using hilbert hashes.	41	Emerging	51	Jupyter Notebook
17	ymym3412/position-rank PositionRank: An Unsupervised Approach to Keyphrase Extraction from...	40	Emerging	95	Python
18	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
19	eklem/eklem-headline-parser Determines the most relevant keywords from an article headline combined with...	37	Emerging	5	JavaScript
20	JacksonCakes/chinese_keybert A minimal chinese keywords extraction with BERT	36	Emerging	10	Python
21	IKJ1992/PerDeepKE Persian Keyword Extraction with Deep Learning \| Python Library 📚	35	Emerging	3	Python
22	Neuw84/RAKE-Java A Java implementation of the Rapid Automatic Keyword Extraction Framework ( RAKE )	34	Emerging	29	Java
23	wjbmattingly/keyword-spacy Keyword spaCy is a spaCy pipeline component for extracting keywords from...	34	Emerging	13	Jupyter Notebook
24	tugascript/keyword-extraction-rs Keyword extraction algorithms in Rust	32	Emerging	30	Rust
25	shdev/phpflashtext Extract Keywords from sentence or Replace keywords in sentences. @...	30	Emerging	20	PHP
26	xang1234/rapid-textrank ⚡ High-performance TextRank in Rust with Python bindings. Extract keywords...	29	Experimental	1	Rust
27	PBPatil/Keyword-Extracter Problem Statement: Given a particular PDF/Text document ,How to extract...	27	Experimental	21	Jupyter Notebook
28	ThalesGroup/t-keir T-KEIR is a set of NLP REST services for Knowledge Extraction to Information...	26	Experimental	6	Raku
29	thinkwee/UniKeyphrase [ACL2021] A Unified Extraction and Generation Framework for Keyphrase Prediction"	24	Experimental	25	Python
30	Neuw84/CValue-TermExtraction A free implementation of the C-Value algorithm	24	Experimental	9	Java
31	surajiyer/spacycaKE Simple keyphrase extraction extensions and pipeline components for spaCy.	24	Experimental	4	Jupyter Notebook
32	anmolpant/keyword-extraction Implementation of the keyword extraction from short text technique.	23	Experimental	6	Jupyter Notebook
33	yaniv-shulman/chunkey-bert ChunkeyBert is a minimal and easy-to-use keyword extraction technique that...	22	Experimental	1	Python
34	THE-CLIMBER/Keyword-Explorer Explore real-time keyword data from multiple search engines to improve SEO,...	22	Experimental	—	TypeScript
35	ainsleyclark/nlp NLP (Natrual Language Processing) API via the pke (Python Keyphrase...	22	Experimental	1	Python
36	711nishtha/TextCraft-NLP-Skills Educational NLP project exploring classical keyword extraction algorithms...	20	Experimental	1	HTML
37	Cantellos/text-mining-keywords-extraction LocalMaxs algorithm for extracting explicit and implicit keywords from text...	20	Experimental	1	Python
38	Ankitkalauni/Keyword_Extractor The keyword extraction process helps us in identifying the important words....	18	Experimental	6	Python
39	ashwathkris/Keyphrase-Extraction-using-BERT-as-a-Sentence-Embedder Keyphrases are words or short phrases that best describe a given input text...	18	Experimental	5	Jupyter Notebook
40	arjunkavungal/Reddit-Keyword-Research find the most relevant keywords	16	Experimental	4	Python
41	KDT-Hot6/final_project KRwordrank 및 SentenceBERT를 응용한 음식점 키워드 추출 코드 및 모델입니다.	16	Experimental	3	Python
42	bichngocdo/kpe Unsupervised Keyphrase Extraction	15	Experimental	2	Python
43	jackragless/GloTex-Glossary-Term-Extractor Trained Transformer neural network to identify keyphrases in text. These...	14	Experimental	1	Python
44	hailiang-wang/keyphrase-cpp Automatic Keyphrase Extraction: A Survey of the State of the Art	13	Experimental	8	C++
45	altuncu/AKE The source codes presented in the paper titled "Improving Performance of...	12	Experimental	1	Python
46	christophsk/fast-rake A very efficient implementation of the Rapid Automatic Keyword Extraction...	12	Experimental	4	Python
47	ossteam8/LDA-TextRank-keyword Keyword extractor using LDA and TextRank combined	12	Experimental	4	Jupyter Notebook
48	sarmad9987/Unsupervised-Keyword-extraction Keyword extraction from UCAS statements of students application.	11	Experimental	—	Python
49	rohitgarud/NLP-Keyword-extraction An archive of keyword extraction methods in NLP	10	Experimental	1	Jupyter Notebook
50	nhatminhbui/en-keyword-extractor Extract keywords in your English documents.	10	Experimental	1	JavaScript

Comparisons in this category

rakun2 and rakun (53 vs 45) perke and PerDeepKE (64 vs 35)