- github.com/taku910/crfpp CRF++: Yet Another CRF toolkit
- github.com/macanv/BERT-BiLSTM-CRF-NER Tensorflow solution of NER task Using BiLSTM-CRF model with Google BERT Fine-tuning And private Server services
- github.com/Determined22/zh-NER-TF A very simple BiLSTM-CRF model for Chinese Named Entity Recognition 中文命名实体识别 (TensorFlow)
- github.com/crownpku/Information-Extraction-Chinese Chinese Named Entity Recognition with IDCNN/biLSTM+CRF, and Relation Extraction with biGRU+2ATT 中文实体识别与关系提取
- github.com/lucasb-eyer/pydensecrf Python wrapper to Philipp Krähenbühl's dense (fully connected) CRFs with gaussian edge potentials.
- github.com/baidu/lac 百度NLP：分词，词性标注，命名实体识别，词重要性
- github.com/fxsjy/jieba 结巴中文分词
- github.com/google-research/bert TensorFlow code and pre-trained models for BERT
- github.com/snorkel-team/snorkel A system for quickly generating training data with weak supervision 弱监督学习框架
- github.com/networkx/networkx NetworkX is a Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
- github.com/jgrapht/jgrapht JGraphT is a free Java class library that provides mathematical graph-theory objects and algorithms.
- github.com/snap-stanford/snap Stanford Network Analysis Platform (SNAP) is a general purpose network analysis and graph mining library.
- github.com/igraph/igraph igraph is a C library for complex network analysis and graph theory, with emphasis on efficiency, portability and ease of use.
- github.com/igraph/python-igraph Python interface for the igraph library