Spell Checking Correction NLP Tools

Tools for detecting and correcting spelling errors in text across languages and domains. Includes contextual spellcheckers, multilingual spelling correction systems, and domain-specific tools (medical, biomedical, etc.). Does NOT include grammar correction, general text normalization, or language identification as primary functions.

There are 68 spell checking correction tools tracked. 2 score above 70 (verified tier). The highest-rated is jxmorris12/language_tool_python at 77/100 with 512 stars and 255,357 monthly downloads. 3 of the top 10 are actively maintained.

Get all 68 projects as JSON

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#	Tool	Score	Tier	Stars	Language
1	jxmorris12/language_tool_python a free python grammar checker 📝✅	77	Verified	512	Python
2	languagetool-org/languagetool Style and Grammar Checker for 25+ Languages	71	Verified	14,182	Java
3	hunspell/hunspell The most popular spellchecking library.	62	Established	2,463	C++
4	neuspell/neuspell NeuSpell: A Neural Spelling Correction Toolkit	60	Established	710	Python
5	R1j1t/contextualSpellCheck ✔️Contextual word checker for better suggestions (not actively maintained)	59	Established	419	Python
6	bakwc/JamSpell Modern spell checking library - accurate, fast, multi-language	57	Established	658	C++
7	bataak/dict-mn Монгол үгийн алдаа шалгах толь, Mongolian spellchecking dictionary	49	Emerging	91	—
8	m-elbably/symspell-ex Distributed spelling correction & fuzzy search based on symmetric delete...	44	Emerging	7	TypeScript
9	filyp/autocorrect Spelling corrector in python	44	Emerging	494	Python
10	houbb/word-checker 🇨🇳🇬🇧Chinese and English word spelling corrector.(中文易错别字检测，中文拼写检测纠正。英文单词拼写校验工具)	41	Emerging	266	Java
11	nuspell/nuspell 🖋️ Fast and safe spellchecking C++ library	40	Emerging	263	C++
12	basselkassem/ar_corrector A simple library to correct the misspelling for Arabic language.	38	Emerging	14	Jupyter Notebook
13	notAI-tech/fastPunct Punctuation restoration and spell correction experiments.	38	Emerging	253	Python
14	DmitryPogrebnoy/MedSpellChecker Fast and effective spellchecker for Russian medical texts	38	Emerging	8	Jupyter Notebook
15	rayliuca/grammared-language Adding Grammarly (and other) open source ML models to LanguageTool	37	Emerging	1	Python
16	loresoft/NetSpell Spell Checker for .NET	37	Emerging	60	C#
17	jparkerweb/punctuation-restore 🧑‍🏭 Node.js package for restoring punctuation and casing to strings via ONNX...	37	Emerging	3	JavaScript
18	mtrevisan/HunLinter Hunspell files linter	35	Emerging	5	Java
19	PyThaiNLP/spelling-check Thai Spelling Check	34	Emerging	41	Jupyter Notebook
20	MahdiRahbar/SLUSpell SLUSpell is an open-source spell checker that uses multiple techniques to...	34	Emerging	4	Python
21	cdpierse/breame Lightweight utility tools for the detection of multiple spellings, meanings,...	33	Emerging	18	Python
22	FerdinandZhong/punctuator A small seq2seq punctuator tool based on DistilBERT	31	Emerging	54	Python
23	MahirMahbub/Contextual-Spell-Checker-For-Bangla Automatic Context Sensitive Spelling Correction for Bangla Text Using Bert...	31	Emerging	21	Python
24	heyseth/phonemenal Webapp for creating interactive pronunciation guides for any English word.	27	Experimental	10	JavaScript
25	tacola-auceg/spellchecker_ta Annam - Tamil language spellchecker	27	Experimental	5	Java
26	rounakdatta/CorrectLy CorrectLy - Open Source Spelling & Grammar correction	27	Experimental	43	Jupyter Notebook
27	bhattbhavesh91/gramformer-tutorial Grammar Correction Web Application using Gramformer & Gradio	26	Experimental	4	Jupyter Notebook
28	jacopofar/grammar-quiz Online cloze deletion tool focused on grammar	26	Experimental	8	Python
29	scientist-labs/spellkit Fast, safe typo correction for Ruby. SymSpell-based spell checker with Rust...	26	Experimental	8	Ruby
30	ahmadshafique/Word-Spell-Checker This is an Urdu Word Spell Checker using Noisy Channel Model implemented in Python3.	26	Experimental	6	Jupyter Notebook
31	jbadr28/text-editor JT NotePad is an intelligent notepad that auto-corrects your notes! This...	24	Experimental	4	Python
32	thjbdvlt/spell-fr.vim french spellcheck files for hunspell and vim	23	Experimental	7	Python
33	msalhab96/AraSpell A framework for Arabic spelling correction using different seq2seq model...	22	Experimental	24	Python
34	gleb-skobinsky/ru_punct Нейронная сеть для восстановления пунктуации на русском языке.	22	Experimental	20	Python
35	iguit0/write-assist Lightweight offline macOS menu-bar app for system-wide spelling and grammar...	22	Experimental	—	Swift
36	ChrisPrusik/HugoChecker Check HUGO markdown files	21	Experimental	2	C#
37	jaflo/umlauter Corrects common German transcriptions using ML	21	Experimental	11	Jupyter Notebook
38	Priyansh2/Spelling-and-Grammatical-Error-Correction Built a system from scratch in Python which can detect spelling and...	21	Experimental	15	Jupyter Notebook
39	Nicemice13/check_your_grammar NLP-сервис грамматической проверки текста на 4 языках (русский, английский,...	20	Experimental	1	Python
40	pooya-mohammadi/persian-spell-checker-kenlm A complete instruction for training a Persian spell checker and a language...	19	Experimental	35	Python
41	wassname/phoneme2grapheme Teaching machines to spell with deep learning (acc=>80%) e.g. a model hears...	19	Experimental	19	Jupyter Notebook
42	gosom/context-spell-correct Context based spelling correction REST API implemented in Golang	18	Experimental	8	Go
43	KU-RIAS/Similarity-based-Unsupervised-Spelling-Correction-Using-BioWordVec Similarity-Based Unsupervised Spelling Correction Using BioWordVec:...	17	Experimental	5	Jupyter Notebook
44	KurdishWikipedia/bijar An open-source spellchecker for Central Kurdish Wikipedia, delivered as a...	16	Experimental	1	Python
45	bensonrachellaw/spelling-correct_-gui Natural language processing: an English spelling error correction system....	16	Experimental	3	Python
46	Ashishkumar-hub/Spelling-Corrector- Using deep learning approaches to build a spelling corrector.	16	Experimental	4	Python
47	SaiSwarup27/Text-Correction-and-translation Correcting the wrongly spelled words and translating text into another...	16	Experimental	4	Python
48	janice-jose/Hindi-Spellchecker This is a Flask web application for checking the spellings of Hindi as well...	15	Experimental	2	HTML
49	msamprovalaki/Context-Aware-Spelling-Corrector Academic project centered around n-grams and their application in developing...	15	Experimental	2	Jupyter Notebook
50	abhinav-upadhyay/nbspell New spell(1) implementation for NetBSD	14	Experimental	9	C
51	dustalov/spellah A nasty project for the 2014's Microsoft Research Summer School.	14	Experimental	1	JavaScript
52	AlbertoPC13/Maria Words suggestion microservice module	14	Experimental	1	Python
53	nakulvarma2000/Grammar-correction Fine tuned happy transformer model for effective grammar correction	14	Experimental	1	Jupyter Notebook
54	engisalor/sketch-grammar-explorer A Python package for the Sketch Engine API	13	Experimental	8	Python
55	pharo-ai/spelling-correction A spelling correction algorithm that can identify and fix spelling mistakes	13	Experimental	—	Smalltalk
56	kswaldemar/rupunktor Punctuation restoration based on recurrent neural network	12	Experimental	3	Jupyter Notebook
57	binh234/capu Capitalization and Punctuation for Automatic Speech Recognition	12	Experimental	3	Python
58	ZarahShibli/Arabic_Punctuation_Prediction Sequence to sequence model for Arabic punctuation prediction.	12	Experimental	12	Jupyter Notebook
59	imdreamer2018/Grammatical-Error-Correction Grammatical-Error-Correction is an NLP-based spelling and grammar correction...	12	Experimental	3	Python
60	Mukeshthenraj/nltk-text-analysis Python project using NLTK to analyze text and build spelling recommenders	11	Experimental	—	Python
61	bballdave025/mendeleev-spelling-bee A little NLP fun: finding which words can be made using only the symbols of...	11	Experimental	—	Roff
62	basilinjoe/spellin-teacher An interactive web app for practicing and improving spelling through...	11	Experimental	—	TypeScript
63	Moonminky/einfache-sprache-checker A tool to quickly check German texts for compliance with the rules for plain...	11	Experimental	2	Python
64	iamrealvinnu/autocorrect-tool A user-friendly text correction tool powered by AI (T5 transformer) that...	11	Experimental	2	Python
65	AceCentre/Correct-A-Sentence A really simple REST API to take a string which may have no spaces in it,...	10	Experimental	1	Python
66	Signetar/Novar NoVariations is a python package made for recognizing words with variations,...	10	Experimental	1	Python
67	abimarticio/spell-correction-springboot Spring Boot application for spell correction using dictionary substitution method.	10	Experimental	1	Java
68	rahmed31/Spellchecker This repository implements a brute-force spellchecker utilizing the...	10	Experimental	1	Python

Comparisons in this category

language_tool_python and languagetool (77 vs 71) languagetool and grammared-language (71 vs 37) hunspell and nuspell (62 vs 40) language_tool_python and grammared-language (77 vs 37)