RAG_Techniques alternatives

NirDiamant/RAG_Techniques (30k stars, +49 this week): A collection of runnable notebook tutorials covering techniques for building Retrieval-Augmented Generation (RAG) systems. Why it matters: relevant for grounding LLMs in your own data.

Below are 6 other RAG / vector repos tracked by OSS Radar that share at least two GitHub topics with RAG_Techniques, ordered by how many topics overlap, then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. HKUDS/LightRAG

   +35/wkest.

   [EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation. Why it matters: relevant for grounding LLMs in your own data.

   40k stars · Python · shared topics: gpt, llm, rag, retrieval-augmented-generation

2. 2. microsoft/graphrag

   +28/wkest.

   A modular graph-based Retrieval-Augmented Generation (RAG) system. Why it matters: relevant for grounding LLMs in your own data.

   36k stars · Python · shared topics: gpt, llm, llms, rag

3. 3. infiniflow/ragflow

   +77/wkest.

   RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a… Why it matters: relevant for grounding LLMs in your own data.

   92k stars · Go · shared topics: ai, rag, retrieval-augmented-generation

4. 4. deeplethe/utopia

   +63/wkest.

   World's first open-source enterprise world model. Why it matters: relevant for grounding LLMs in your own data.

   8.3k stars · Rust · shared topics: llm, rag, semantic-search

5. 5. cdcailf/cjkfold

   +41/wkest.

   Fold look-alike CJK glyphs (Kangxi radicals, CJK radical supplements) so text extracted from PDFs matches again. Why it matters: relevant for grounding LLMs in your own data.

   41 stars · Python · shared topics: nlp, rag

6. 6. opendataloader-project/opendataloader-pdf

   +28/wkest.

   PDF Parser for AI-ready data. Automate PDF accessibility. Open-source. Why it matters: relevant for grounding LLMs in your own data.

   30k stars · Java · shared topics: ai, rag

More: all trending RAG / vector repos · compare RAG_Techniques with the top 2