Awesome GitHub RepositoriesHybrid Vector-Graph Databases

LightRAG is a graph-based retrieval framework designed to build retrieval-augmented generation pipelines. It structures unstructured text into knowledge graphs, enabling multi-hop reasoning and complex query synthesis across large document collections. By integrating dense vector embeddings with structured knowledge graphs, the system facilitates both similarity-based and relationship-aware information retrieval. The framework distinguishes itself through a dual-level retrieval strategy that combines low-level keyword matching with high-level semantic graph traversal to capture both specific

Supermemory is an artificial intelligence memory management platform designed to provide autonomous agents with persistent, long-term knowledge bases. It functions as a centralized repository that synchronizes multimodal data, enabling agents to maintain context and historical information across complex, multi-session workflows. By serving as a knowledge graph engine and vector database orchestrator, the platform ensures that information remains accessible and relevant for automated tasks. The system distinguishes itself through its hybrid indexing approach, which combines vector similarity s

Cognee is an agentic memory management platform designed to provide autonomous agents with long-term semantic recall and structured knowledge. It functions as a framework for building persistent memory systems that connect large language models to graph-based knowledge and vector storage, enabling agents to maintain context across complex tasks and multiple sessions. The platform distinguishes itself through a hybrid approach that combines semantic similarity search with structural graph traversal, allowing for context-aware information retrieval. It features a modular architecture that orche

This project is a comprehensive framework for developing, orchestrating, and deploying autonomous agents. It provides a structured environment for building agents that utilize reasoning loops to perform multi-step tasks, manage state through graph-based workflows, and interact with external tools. By mapping unstructured model outputs into typed schemas, the framework ensures reliable integration with downstream application logic. The platform distinguishes itself through a focus on production-grade reliability and security. It incorporates hybrid memory systems that combine vector embeddings

Neo4j is a native graph database management system designed to store and query highly connected data using a property-graph model. It provides an ACID-compliant transaction engine that ensures data integrity, supported by a distributed cluster architecture that maintains causal consistency across nodes. Users interact with the system through a declarative query language, which allows for complex pattern matching and path traversal without requiring manual traversal logic. The platform distinguishes itself through its hybrid approach to data retrieval, combining traditional graph-based queries

Memori is an AI agent memory middleware platform designed to provide persistent, context-aware recall for language models. It functions as a non-intrusive layer that intercepts outbound model requests to automatically capture interaction history and execution traces, ensuring that agents maintain continuity across sessions without requiring modifications to existing application logic. The platform distinguishes itself through a dual-model storage architecture that maintains information as both structured relational primitives for precise fact retrieval and rolling narrative summaries for situ

txtai is an artificial intelligence platform designed for building semantic search applications, managing vector storage, and orchestrating language model workflows. It functions as a comprehensive engine for processing unstructured data, enabling the development of autonomous agents and complex content automation pipelines. The platform distinguishes itself through a hybrid indexing architecture that combines dense vector embeddings with relational graph structures, allowing for multi-dimensional retrieval across both semantic meaning and entity relationships. It supports multimodal analysis

This project is an LLM knowledge base builder and personal knowledge management tool. It is a desktop application designed to transform diverse documents into a persistent, interlinked wiki through LLM analysis and incremental ingestion. The system distinguishes itself with a knowledge graph visualizer that uses community detection algorithms to map relationships between concepts and identify topical clusters. It features a hybrid retrieval system that combines keyword matching, vector embeddings, and graph relevance to locate information. The platform covers a wide range of capabilities inc

Acest proiect este un stack de dezvoltare containerizat și un framework de aplicație pentru construirea sistemelor de generare augmentată prin recuperare (RAG). Oferă un sandbox AI dockerizat care integrează runtime-uri de modele locale, grafuri de cunoștințe și vector stores pentru a permite crearea de chatbot-uri contextuale. Stack-ul se distinge prin vector store-ul bazat pe grafuri, care combină grafuri de cunoștințe structurate cu indici vectoriali pentru recuperarea datelor atât semantice, cât și structurale. Permite găzduirea locală a modelelor cu accelerare CPU sau GPU, permițând sarcini generative fără dependența de API-uri cloud externe. Framework-ul acoperă o gamă largă de capabilități, inclusiv procesarea și indexarea documentelor PDF, orchestrarea serviciilor AI bazate pe containere și implementarea generării de răspunsuri fundamentate. Include o interfață de chat web cu streaming incremental al răspunsurilor și o interfață standardizată pentru comutarea între diferiți furnizori de modele de limbaj. Mediul este inițializat folosind orchestrarea containerelor pentru a implementa rapid un stack preconfigurat de modele și baze de date.

Tiny Universe is an educational monorepo that delivers multiple independent implementations of core AI subsystems as self-contained Jupyter notebooks. It provides from-scratch constructions of foundational architectures including a complete Transformer model built from the original paper specification, a denoising diffusion probabilistic model for image generation, and a ReAct-style autonomous agent framework that equips an LLM with tools for planning and multi-step task execution. The project distinguishes itself by covering the full lifecycle of modern AI systems through hands-on implementa

ruvector este un vector store și o bază de date graf bazată pe Rust, concepută pentru inferență locală și căutări de tip nearest neighbor. Utilizează o arhitectură de bază de date graf vectorială și un index de rețele neuronale grafice pentru a rafina clasamentele de căutare prin atenție structurală. Sistemul include un simulator de circuite cuantice accelerat hardware pentru execuția simulărilor de tip state-vector și a modelelor complexe de căutare, alături de un motor de inferență WebAssembly pentru rularea căutărilor vectoriale și execuția modelelor direct în browserele web. Proiectul folosește un format de container cognitiv care grupează modelele, datele și un microkernel bootabil într-un singur binar pentru deployment. Acesta dispune de instrumente specializate de configurare a modelelor, inclusiv o metodă de consolidare a ponderilor pentru a preveni uitarea catastrofală și un mecanism de adaptare ușor pentru ajustarea instantanee a ponderilor. Sistemul acoperă o gamă largă de capabilități, inclusiv căutarea vectorială accelerată hardware, interogarea relațiilor grafice și parsarea documentelor științifice pentru extragerea LaTeX și MathML. De asemenea, oferă înlănțuire de dovezi criptografice pentru verificarea modificărilor de date, sincronizarea metadatelor bazată pe Raft pentru disponibilitate ridicată și compresia datelor cu rezoluție pe niveluri pentru gestionarea costurilor de stocare.

Apache AGE is a graph database extension for PostgreSQL that adds openCypher graph query capabilities directly within the relational database environment. It functions as a loadable extension that translates Cypher graph traversal queries into SQL expressions, enabling users to run pattern matching and path analysis alongside standard SQL operations within a single database instance. The extension stores labeled, directed property graphs as isolated schemas with internal relational tables for vertices, edges, and labels, preventing cross-graph interference. It supports hybrid query execution

Memgraph is an in-memory, distributed graph database designed for high-performance labeled property graph management. It utilizes a Cypher query engine for declarative data retrieval and manipulation, providing a scalable knowledge graph backend that integrates vector search and graph traversals. The system distinguishes itself as a real-time graph analytics platform, employing native C++ and CUDA implementations to execute complex network analysis and dynamic community detection on streaming data. It provides specialized support for AI integration, including GraphRAG capabilities, the constr

Zep is a long-term memory layer and persistent storage system for large language model applications. It functions as a memory service and vector database orchestrator that manages chat history, user preferences, and context retrieval to reduce hallucinations in AI agents. The system maintains a temporal knowledge graph that stores interaction data as dated facts to track how user preferences and environments evolve over time. It combines these knowledge graphs with a store for persisting unstructured message data at the user and session levels. The platform provides capabilities for AI conte

Kùzu is an embedded property graph database engine designed for high-performance analytical queries and local data management. It operates as a library within the host application process, utilizing a columnar-based storage architecture and just-in-time query compilation to execute complex graph traversals and pattern matching efficiently. By mapping database files directly into system memory, it ensures data durability and high-speed access while maintaining ACID-compliant transactional integrity. The engine distinguishes itself by integrating vector similarity search and full-text search di

Helix DB is a distributed graph database and knowledge graph platform that persists nodes and edges on object storage for durable and unlimited scaling. It operates as an ACID-compliant system, ensuring data consistency through serializable snapshot isolation during concurrent operations. The project distinguishes itself by combining a vector search engine and a property graph, utilizing hybrid vector and full-text search to locate entry points for graph traversals. It enables dynamic graph querying through a domain-specific language, allowing complex logic and recursive queries to be execute

FalkorDB is a high-performance graph database management system and vector graph database. It serves as a knowledge graph construction tool and a GraphRAG knowledge store, integrating structured property graphs with vector search to provide grounded context for large language models. The engine is designed as a multi-tenant graph engine, capable of hosting thousands of isolated datasets within a single instance. The system distinguishes itself by using linear algebra for query execution, treating relationship tensors as matrix multiplications to achieve low-latency multi-hop traversals. It ut