Top AI Repos tracks AI repositories on GitHub and answers two different questions about each one: is it moving right now, and would you bet a product on it.
Storage and retrieval for embeddings: vector indexes, hybrid search and ANN libraries.
Signals: vector-database, vector-search, vector-store, similarity-search, approximate-nearest-neighbor, ann-search, faiss, hnsw
191 results
MCP server for searching and retrieving Scientific Agent Skills using vector search
基于向量数据库与GPT3.5的通用本地知识库方案(A universal local knowledge base solution based on vector database and GPT3.5)
Vectra is a local vector database for Node.js with features similar to pinecone but built using local files.
A hyper-fast local vector database for use with LLM Agents. Now accepting SAFEs at $135M cap.
Your filesystem as a vector database
A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!
A cross-platform vector database, which can be integrated into existing databases as a plugin.
PostgreSQL vector database extension for building AI applications
fastest vector database made in numpy
Rektor Vector Database
End-to-end deep learning image-similarity search engine
RAG based tool for indexing and searching PDF text data using OpenAI API and FAISS (Facebook AI Similarity Search) index, designed for rapid information retrieval and superior search accuracy.
FAst Lookups of Cosine and Other Nearest Neighbors (based on fast locality-sensitive hashing)
📝Awesome and classical image retrieval papers
Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk
Train a Word2Vec model or LSA model, and Implement Conceptual Search\Semantic Search in Solr\Lucene - Simon Hughes Dice.com, Dice Tech Jobs
SemanticFinder - frontend-only live semantic search with transformers.js
Joplin (note-taking) assistant running a very intelligent system (GPT, Claude, Gemini, Ollama, Hugging Face)
A cutting-edge search engine project tailored specifically for the AI product
Here you can find all the Tutorials for Haystack 📓
Neural Search
Hybrid search engine, combining best features of text and semantic search worlds
Rust-powered code intelligence CLI for AI coding agents. Builds call graphs and hybrid semantic search indexes (Dense + Sparse + RRF + Reranker) across 7 languages. Ships as native MCP tools for Claude Code and Codex CLI.
如影随形 · 本地优先桌面工作日志：富文本记录、语义检索、工作台总结/问答；模型自配，数据留在本机。 Local-first desktop work journal—rich logs, semantic search, AI summary & Q&A. BYO models, data stays yours.
24,543 repositories in the index in total.
