NER Neural Architectures NLP Tools

Tools implementing neural sequence labeling architectures (LSTM, BiGRU, CNN, Transformers) for NER tasks. Includes implementations with CRF layers, attention mechanisms, and character embeddings. Does NOT include pre-trained end-to-end NER systems, entity linking, or domain-specific extraction (medical/biomedical).

There are 122 ner neural architectures tools tracked. 10 score above 50 (established tier). The highest-rated is charles9n/bert-sklearn at 58/100 with 301 stars.

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#	Tool	Score	Tier	Stars	Language
1	charles9n/bert-sklearn a sklearn wrapper for Google's BERT model	58	Established	301	Jupyter Notebook
2	jidasheng/bi-lstm-crf A PyTorch implementation of the BI-LSTM-CRF model.	56	Established	260	Python
3	howl-anderson/seq2annotation 基于 TensorFlow & PaddlePaddle 的通用序列标注算法库（目前包含 BiLSTM+CRF, Stacked-BiLSTM+CRF...	53	Established	86	Python
4	guillaumegenthial/tf_ner Simple and Efficient Tensorflow implementations of NER models with...	51	Established	926	Python
5	guillaumegenthial/sequence_tagging Named Entity Recognition (LSTM + CRF) - Tensorflow	51	Established	1,953	Python
6	kamalkraj/BERT-NER Pytorch-Named-Entity-Recognition-with-BERT	51	Established	1,249	Python
7	kamalkraj/Named-Entity-Recognition-with-Bidirectional-LSTM-CNNs Named-Entity-Recognition-with-Bidirectional-LSTM-CNNs	51	Established	369	Python
8	scofield7419/sequence-labeling-BiLSTM-CRF The BiLSTM-CRF model implementation in Tensorflow, for sequence labeling tasks.	51	Established	703	JavaScript
9	eagle705/pytorch-bert-crf-ner KoBERT와 CRF로 만든 한국어 개체명인식기 (BERT+CRF based Named Entity Recognition model for Korean)	50	Established	504	Jupyter Notebook
10	ai-forever/ner-bert BERT-NER (nert-bert) with google bert https://github.com/google-research.	50	Established	408	Jupyter Notebook
11	sgrvinod/a-PyTorch-Tutorial-to-Sequence-Labeling Empower Sequence Labeling with Task-Aware Neural Language Model \| a PyTorch...	49	Emerging	365	Python
12	kamalkraj/BERT-NER-TF Named Entity Recognition with BERT using TensorFlow 2.0	49	Emerging	213	Python
13	26hzhang/neural_sequence_labeling A TensorFlow implementation of Neural Sequence Labeling model, which is able...	48	Emerging	233	Python
14	zhongkaifu/CRFSharp CRFSharp is Conditional Random Fields implemented by .NET(C#), a machine...	48	Emerging	123	C#
15	cooscao/Bert-BiLSTM-CRF-pytorch bert-bilstm-crf implemented in pytorch for named entity recognition.	48	Emerging	283	Jupyter Notebook
16	dmis-lab/bern A neural named entity recognition and multi-type normalization tool for...	47	Emerging	177	Python
17	dayyass/pytorch-ner Pipeline for training NER models using PyTorch.	47	Emerging	56	Python
18	monologg/KoBERT-NER NER Task with KoBERT (with Naver NLP Challenge dataset)	46	Emerging	100	Python
19	bnosac/crfsuite Labelling Sequential Data in Natural Language Processing with R - using CRFsuite	46	Emerging	62	C
20	Nealcly/BiLSTM-LAN Hierarchically-Refined Label Attention Network for Sequence Labeling	46	Emerging	293	Python
21	yahshibu/nested-ner-tacl2020-transformers Implementation of Nested Named Entity Recognition using BERT	45	Emerging	137	Python
22	DoodleJZ/HPSG-Neural-Parser Source code for "Head-Driven Phrase Structure Grammar Parsing on Penn...	45	Emerging	107	Python
23	som-shahlab/trove Weakly supervised medical named entity classification	44	Emerging	73	Python
24	ajitrajasekharan/unsupervised_NER Self-supervised NER prototype - updated version (69 entity types - 17 broad...	44	Emerging	78	Python
25	eagle705/korean-ner-cnn-bilstm CNN+BiLSTM 기반 한국어 개체명 인식기입니다	44	Emerging	57	Python
26	ROBINADC/BiGRU-CRF-with-Attention-for-NER Named Entity Recognition (NER) with different combinations of BiGRU,...	43	Emerging	63	Python
27	cliang1453/BOND BOND: BERT-Assisted Open-Domain Name Entity Recognition with Distant Supervision	43	Emerging	291	Python
28	fmpr/CrowdLayer A neural network layer that enables training of deep neural networks...	43	Emerging	69	Jupyter Notebook
29	macanv/BERT-BiLSTM-CRF-NER Tensorflow solution of NER task Using BiLSTM-CRF model with Google BERT...	43	Emerging	4,900	Python
30	ZhixiuYe/NER-pytorch LSTM+CRF NER	42	Emerging	305	Python
31	ZhixiuYe/HSCRF-pytorch ACL 2018: Hybrid semi-Markov CRF for Neural Sequence Labeling...	41	Emerging	304	Python
32	ZihanWangKi/CrossWeigh CrossWeigh: Training Named Entity Tagger from Imperfect Annotations	41	Emerging	176	Python
33	qurator-spk/sbb_ner Named Entity Recognition	40	Emerging	19	Python
34	monologg/korean-ner-pytorch NER Task with CNN + BiLSTM + CRF (with Naver NLP Challenge dataset) with Pytorch	40	Emerging	31	Python
35	Kyubyong/bert_ner Ner with Bert	40	Emerging	280	Python
36	createmomo/CRF-Layer-on-the-Top-of-BiLSTM The CRF Layer was implemented by using Chainer 2.0. Please see more details...	40	Emerging	208	Python
37	iesl/dilated-cnn-ner Dilated CNNs for NER in TensorFlow	40	Emerging	245	Python
38	SNUDerek/multiLSTM keras attentional bi-LSTM-CRF for Joint NLU (slot-filling and intent...	39	Emerging	125	Jupyter Notebook
39	onurgu/ner-tagger-dynet See http://github.com/onurgu/joint-ner-and-md-tagger This repository is...	39	Emerging	23	sed
40	stelemate/BERT-for-Cybersecurity-NER An implementation of BERT for cybersecurity named entity recognition	39	Emerging	26	Python
41	saiwaiyanyu/bi-lstm-crf-ner-tf2.0 Named Entity Recognition (NER) task using Bi-LSTM-CRF model implemented in...	39	Emerging	120	Python
42	Nealcly/templateNER Source code for template-based NER	38	Emerging	213	Python
43	lonePatient/BiLSTM-CRF-NER-PyTorch This repo contains a PyTorch implementation of a BiLSTM-CRF model for named...	38	Emerging	120	Python
44	harisbinzia/Urdu-Word-Segmentation Urdu Word Segmentation using Conditional Random Fields (CRFs)	38	Emerging	12	Jupyter Notebook
45	lasigeBioTM/BENT Biomedical Term Annotator	38	Emerging	9	Python
46	Emrys-Hong/fastai_sequence_tagging sequence tagging for NER for ULMFiT	37	Emerging	20	Jupyter Notebook
47	rikeda71/TorchCRF An Inplementation of CRF (Conditional Random Fields) in PyTorch 1.0	37	Emerging	137	Python
48	tejasvaidhyadev/NER_Lab_Protocols Domain-specific BERT representation for Named Entity Recognition of lab protocol	37	Emerging	29	Python
49	jonnyli1125/gector-ja BERT-based GEC tagging for Japanese	37	Emerging	19	Python
50	sudhamstarun/AwesomeNER An implementation of bidirectional LSTM-CRF for Named Entity Relationship on...	37	Emerging	14	Jupyter Notebook
51	sld/torch-conv-ner Deep learning for named entity recognition on CoNLL-2003	36	Emerging	10	Lua
52	SuperBruceJia/pytorch-flask-deploy-webapp This is a Flask + Docker deployment of the PyTorch-based Named Entity...	36	Emerging	23	Python
53	SkyAndCloud/bilstm_crf_sequence_labeling_pytorch Bi-LSTM+CRF sequence labeling model implemented in PyTorch	35	Emerging	69	Python
54	ai2-ner-project/pytorch-ko-ner PLM 기반 한국어 개체명 인식 (NER)	35	Emerging	30	Python
55	yahshibu/nested-ner-tacl2020 Implementation of Nested Named Entity Recognition	35	Emerging	35	Python
56	rguthrie3/BiLSTM-CRF BiLSTM-CRF for sequence labeling in Dynet	35	Emerging	81	Python
57	llcing/BiLSTM-CRF-ChineseNER.pytorch PyTorch implement of BiLSTM-CRF for Chinese NER	35	Emerging	60	Python
58	jiaqianghuai/tf-lstm-crf-batch Tensorflow-LSTM-CRF tool for Named Entity Recognizer	35	Emerging	59	Python
59	WGLab/Bioformer Bioformer: an efficient BERT model for biomedical text mining	35	Emerging	55	—
60	chambliss/Multilingual_NER Applying BERT to named entity recognition in English and Russian.	35	Emerging	163	Python
61	severinsimmler/chaine Linear-chain conditional random fields (CRF) for natural language processing	34	Emerging	10	C
62	TheAnig/NER-LSTM-CNN-Pytorch End-to-end-Sequence-Labeling-via-Bi-directional-LSTM-CNNs-CRF-Tutorial	34	Emerging	46	Jupyter Notebook
63	monologg/NER-Multimodal-pytorch Pytorch Implementation of "Adaptive Co-attention Network for Named Entity...	34	Emerging	58	Python
64	SNUDerek/NER_bLSTM-CRF LSTM-CRF for NER with ConLL-2002 dataset	34	Emerging	47	Jupyter Notebook
65	alphagov/govuk-content-metadata GovNER: an encoder-based language model (RoBERTa) fine-tuned to perform...	33	Emerging	7	Python
66	QuoQA-NLP/NER_Baseline 💬 Named Entity Recognition Baseline for KLUE Benchmark	33	Emerging	3	Python
67	strayMat/tag_serve Deployable Neural Tagger implementation for Named Entity Recognition	33	Emerging	7	Jupyter Notebook
68	Creator-SN/ccNERx Bert NER	33	Emerging	5	Python
69	tianlinyang/stack-lstm-ner Transition-based NER system	32	Emerging	35	Python
70	acoadmarmon/united-nations-ner Fine-tuning a Hugging Face BERT model for the United Nations Named Entity...	32	Emerging	35	Jupyter Notebook
71	randomrandom/deep-atrous-ner Deep-Atrous-CNN-NER: Word level model for Named Entity Recognition	32	Emerging	33	Python
72	justhalf/weak-semi-crf-naacl2016 The code for Weak Semi CRF (together with Linear CRF and Semi CRF) on new...	32	Emerging	3	Java
73	aistairc/BERT-NAR-BERT BERT-based pre-trained non-autoregressive sequence-to-sequence model	31	Emerging	3	Python
74	swabhs/joint-lstm-parser Transition-based joint syntactic dependency parser and semantic role labeler...	31	Emerging	61	C++
75	FelixMohr/NLP-with-Python Using Conditional Random Fields for segmenting Latin words written in...	31	Emerging	10	Jupyter Notebook
76	scionoftech/NamedEntityRecognition-BiLSTM-CRF-BERT NamedEntityRecognition using BiLSTM-CRF,BiLSTM,BERT,TF2.x and Pytorch	30	Emerging	22	Jupyter Notebook
77	ovbystrova/InstructionNER Unofficial implementation of paper "InstructionNER: A Multi-Task...	29	Experimental	38	Python
78	FranxYao/Partially-Observed-TreeCRFs Implementation of AAAI 21 paper: Nested Named Entity Recognition with...	29	Experimental	50	Python
79	bo1929/anelfop Focusing on potential named entities during active label acquisition.	28	Experimental	10	Python
80	steveneale/ner_crf Jupyter Notebook describing named entity recognition (NER) using conditional...	28	Experimental	8	Jupyter Notebook
81	musyoku/python-npycrf 条件付確率場とベイズ階層言語モデルの統合による半教師あり形態素解析	28	Experimental	11	C++
82	limteng-rpi/neural_name_tagging Code for "Reliability-aware Dynamic Feature Composition for Name Tagging" (ACL2019)	27	Experimental	38	Python
83	GanjinZero/Triaffine-nested-ner Fusing Heterogeneous Factors with Triaffine Mechanism for Nested Named...	27	Experimental	45	Python
84	cswangjiawei/pytorch-NER This is the implemention of named entity recognition model	27	Experimental	30	Python
85	yasufumy/pytorch-partial-tagger Sequence Tagger for Partially Annotated Dataset in PyTorch	27	Experimental	1	Python
86	ukairia777/tensorflow-bert-ner BERT 기반의 한국어 개체명 인식기 (Named Entity Recognition with BERT using TensorFlow 2.0+)	27	Experimental	4	Jupyter Notebook
87	senadkurtisi/pytorch-NER Named Entity Recognition in PyTorch on CoNLL2003 dataset	27	Experimental	16	Python
88	yahshibu/nested-ner-tacl2020-flair Implementation of Nested Named Entity Recognition using Flair	26	Experimental	24	Python
89	borisshapa/bert-crf Solutions of the problems NER and RE in the domain of business documents...	24	Experimental	15	Jupyter Notebook
90	coordinatekit/crf A developer-friendly Java library for Conditional Random Fields (CRF)...	24	Experimental	—	Java
91	janerjzou/NER Apply Bi-LSTM with self-attention, attached CRF for Named Entity Recognition.	23	Experimental	3	Jupyter Notebook
92	LeonardoEmili/Wikifier Pytorch implementation of a BiLSTM model for the Wikification project.	22	Experimental	19	Jupyter Notebook
93	keerthanap8898/Neural-CRF_NER-Tagger How to build a baby-BERT : I analyze BiLSTMs combined with Conditional...	22	Experimental	1	Jupyter Notebook
94	izhx/NER-unlabeled-data-retrieval [COLING 22] Domain-Specific NER via Retrieving Correlated Samples.	22	Experimental	23	Python
95	samanjoy2/gazz-ban-ner Gazzetter Enhanced Bangla NER with BanglaBERT-CRF Model	22	Experimental	1	Jupyter Notebook
96	bond005/runne_contrastive_ner This project is concerned with my participating in the RuNNE competition...	21	Experimental	13	Python
97	tanishavyass22/NER-model-by-fine-tuning-Bert-Transformer An NER model using BERT transformers identifies and classifies named...	21	Experimental	1	Jupyter Notebook
98	lanwuwei/BERTOverflow A Pre-trained BERT on StackOverflow Corpus	21	Experimental	47	—
99	shengc/tf-lstm-crf-tagger TensorFlow Implementation For [Neural Architecture for Named Entity...	21	Experimental	12	Jupyter Notebook
100	MohammadForouhesh/crf-pos-persian Conditional Random Field framework for Persian POS tagging.	20	Experimental	5	Python
101	geoffbacon/cerberus Cerberus is an app that reduces the annotation burden of linguists	19	Experimental	3	Jupyter Notebook
102	sunilp/applied-nlp-research Production NLP patterns: capsule networks, BiLSTM-CRF for NER, transformer...	19	Experimental	—	Python
103	jose-lopez/bio_ner_tagger An experiment to tag ner entities related with biological molecular species...	17	Experimental	1	Prolog
104	yasufumy/sequence-label A Tensor Creation and Label Reconstruction for Sequence Labeling	17	Experimental	1	Python
105	bichngocdo/bert-biaffine-parser Dependency parser with biaffine attention and BERT embeddings	17	Experimental	1	Python
106	spk-22/Bio-PruneNER This project presents an adaptive token pruning framework for improving...	14	Experimental	1	Jupyter Notebook
107	c3sr/split-ner PyTorch code for paper, 'Split-NER: Named Entity Recognition via Two...	14	Experimental	18	Python
108	olastor/medical-concept-normalization Datasets and models for medical concept normalization (MCN) in English and...	14	Experimental	5	Jupyter Notebook
109	speedcell4/nersted Official implementation of "Nested Named Entity Recognition via Explicitly...	13	Experimental	9	Python
110	lizongyu1293306035/CasRelPyTorch- CasRelPytorch项目的改写版本，根据源码增添了模型预测功能以及预测结果导入neo4j图数据库的功能。	13	Experimental	13	Python
111	mpgxc/frank.ner An experimental Keras wrapper to facilitate the process of instantiating...	12	Experimental	3	Python
112	davidsbatista/SLANG-Sequence-LAbeliNG Sequence LAbeliNG with Neural Networks: "Neural Architectures for Named...	12	Experimental	6	Jupyter Notebook
113	tryumanshow/NER-Pipeline Simple NER Pipeline Using KoCharELECTRA	11	Experimental	3	Python
114	zoppellarielena/BiLSTM-vs-BERT-in-feature-extraction-for-Neural-Dependency-Parsing Completed as part of the "Natural Language Processing" course, this project...	11	Experimental	—	Jupyter Notebook
115	Ashishkumar-hub/BERT_NER NER using BERT an end to end project	11	Experimental	4	Python
116	poteminr/MultiCoNER Contrastive learning for multilingual complex named entity recognition. Bert...	11	Experimental	4	Python
117	sayedshaun/pos-ner-pipeline Part-Of-Speech and Name Entity Recognition System with MultiTaskModel	11	Experimental	—	Python
118	BerlinerA/BIST-Parser-PyTorch Graph-based dependency parser.	11	Experimental	3	Python
119	hj-lang/Ner_Task_BERT-BiLSTM-CRF Ner Task	11	Experimental	3	Python
120	balamurugan1603/Named-Entity-Recognition-using-Tranformers In this repo, I have Fine-tuned BERT using HuggingFace transformers to...	11	Experimental	—	Jupyter Notebook
121	kklemon/brc-pytorch Implementation of the bistable recurrent cell (BRC) in PyTorch	10	Experimental	2	Python
122	OzlemMelda/BiLSTM-CRF Experiment with three different models: conditional random field (CRF),...	10	Experimental	2	Python

Comparisons in this category

sequence_tagging and tf_ner (51 vs 51) sequence_tagging and sequence-labeling-BiLSTM-CRF (51 vs 51) sequence_tagging and Named-Entity-Recognition-with-Bidirectional-LSTM-CNNs (51 vs 51) BERT-NER and ner-bert (51 vs 50) BERT-NER and Bert-BiLSTM-CRF-pytorch (51 vs 48) BERT-NER and BERT-NER-TF (51 vs 49) BERT-NER and bern (51 vs 47) bi-lstm-crf and sequence-labeling-BiLSTM-CRF (56 vs 51) pytorch-bert-crf-ner and Bert-BiLSTM-CRF-pytorch (50 vs 48) bert-sklearn and ner-bert (58 vs 50)