LeDat98/NexusRAG
Hybrid RAG system combining vector search, knowledge graph (LightRAG), and cross-encoder reranking — with Docling document parsing, visual intelligence (image/table captioning), agentic streaming chat
- Stars
- 530
- Forks
- 113
- Open issues
- 4
- Last push
- 6mo ago
About NexusRAG
NexusRAG is a free, open-source RAG and AI search tool by LeDat98, written mainly in Python. Hybrid RAG system combining vector search, knowledge graph (LightRAG), and cross-encoder reranking — with Docling document parsing, visual intelligence (image/table captioning), agentic streaming chat. It has 530 GitHub stars and 113 forks, and was last updated 6mo ago. GitHub doesn't detect a standard license, so check the repository before using it commercially. According to the project, it needs a GPU with at least 4 GB of memory and works on macOS.
- License
- Not detected
- Language
- Python
- Stars
- 530
- Last update
- 6mo ago
- Runs on Mac
- Yes (as stated by the project)
- GPU
- 4 GB+ (as stated by the project)
- Paid API key
- Not required
- Self-hostable
- Yes
Similar free tools
ragflow93k stars · RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs
meilisearch60k stars · A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
LightRAG40k stars · [EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation
serviette59k stars · A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.
PageIndex39k stars · 📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
milvus46k stars · Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
NexusRAG FAQ
Is NexusRAG free?
Yes. NexusRAG is open source and free to use. GitHub doesn't detect a standard license, so check the repository before using it commercially.
Does NexusRAG run on a Mac?
Yes. According to the project, NexusRAG works on macOS.
Does NexusRAG need a GPU?
According to the project, NexusRAG needs a GPU with at least 4 GB of memory.
Is NexusRAG still maintained?
It was last updated 6mo ago. Check recent issues on GitHub to judge how active it is.
What are alternatives to NexusRAG?
Similar free, open-source tools include ragflow, meilisearch, LightRAG, serviette.