A scalable, distributed, collaborative, document-graph database, for the realtime web
- database
- distributed
- distributed-database
- document-database
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🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.
- multi-model
- graph-database
- document-database
- key-value
A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).
- graph-database
- knowledge-graph
- database-as-a-service
- cloud-database
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
- orientdb
- graph-database
- document-database
- dbms
High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible, built in C++.
- graph-algorithms
- graph-database
- graph-analysis
- kafka
TypeDB: Built for systems, not records
- database
- knowledge-base
- knowledge-representation
- reasoning
A transactional, relational-graph-vector database that uses Datalog for query. The hippocampus for AI!
- database
- graph
- client-server
- cross-platform
TerminusDB is a Knowledge Graph Database with Version Control. Time-travel, reason, collaborate, branch, merge, diff, and query your data with Datalog.
- knowledge-graphs
- linked-data
- terminusdb
- collaboration
RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.
- rdflib
- semantic-web
- linked-data
- python
OpenSPG is a Knowledge Graph Engine developed by Ant Group in collaboration with OpenKG, based on the SPG (Semantic-enhanced Programmable Graph) framework. Core Capabilities: 1) domain model constrained knowledge modeling, 2) facts and logic fused representation, 3) natively support KAG...
- knowledge-graph
- knowledge-reasoning
- spg
- kag
AgensGraph, a high performance transactional graph database based on PostgreSQL
- graph-database
- multi-model-database
- postgresql
- enterprise
A simple, fast and versatile Datalog database
- key-value-store
- embedded-database
- fulltext-search
- vector-database
Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.
- bolt
- cypher
- database
- enterprise-solutions
Embedded transactional database for blobs, documents & graphs, with kernel-bypass NVMe through io_uring & SPDK, GPU compaction, and one C ABI over its own, RocksDB & LevelDB engines 🗄️
VivaceGraph. Open source Common Lisp graph database & Prolog implementation.
A pure JavaScript implementation of TinkerPop's TinkerGraph in-memory graph database
TinkerPop 3 implementation on Elasticsearch backend