Selected Tools An excellent collection of knowledge graph-related technologies and tools in the OpenKG community. OpenSPG OpenSPG is an open knowledge graph engine designed and implemented based on the SPG framework. DeepKE DeepKE is an open source knowledge graph extraction tool that supports low-resource and multimodal scenarios. TuGraph TuGraph is an efficient graph database that supports large data capacity, low-latency lookups, and fast graph analytics. OpenEA OpenEA is an open source software library for embedding-based entity alignment in knowledge graphs. NeuralKG NeuralKG provides a standardized workflow for a variety of knowledge graph representation learning models. OpenKE OpenKE is an open source framework for embedding knowledge graphs into low-dimensional continuous vector spaces for representation. gStore gStore is a native graph database system for knowledge graphs that supports efficient storage and management functions. ChatKBQA ChatKBQA is a knowledge graph question answering framework based on large language model fine-tuning. HIT LTP LTP provides a complete set of bottom-up, rich, efficient, and high-precision Chinese natural language processing modules. OpenBase OpenBase is a knowledge grap construction and data integration platform based on manual or automated crowdsourcing.