NosDB is a 100% native .NET Open Source NoSQL Database (released under the Apache 2.0 License). NosDB is extremely fast and linearly scalable and allows your .NET applications to handle extreme transaction loads (XTP).



Orient DB is described as 'The Document-Graph database supports SQL and Native Queries, asynchronous commands, intents, and much more' and is an app in the development category. There are more than 25 alternatives to Orient DB for a variety of platforms, including Linux, Windows, Mac, Web-based and Self-Hosted apps. The best Orient DB alternative is MongoDB, which is free. Other great apps like Orient DB are CouchDB, Triplit, ArangoDB and neo4j.
NosDB is a 100% native .NET Open Source NoSQL Database (released under the Apache 2.0 License). NosDB is extremely fast and linearly scalable and allows your .NET applications to handle extreme transaction loads (XTP).



Dgraph is a low latency, high throughput, horizontally scalable and distributed graph database with ACID transactions.
Graph Engine (GE) is a distributed, in-memory, large graph processing engine, underpinned by a strongly-typed RAM store and a general computation engine.
Persevere is designed to create applications with user interface implemented primarily on the client side and Persevere playing the role as an HTTP-based RESTful data provider.

A complete Enterprise Knowledge Graph platform provided as a managed service. Whether you are new to Knowledge Graphs, or a seasoned expert, we have the right option for each step of your journey. No muss, no fuss, no installation.


The goal is to provide a compliant, safe, and fast graph database based on the RocksDB key-value store. It is written in Rust. It also provides a set of utility functions for reading, writing, and processing RDF files.
Timbr is an ontology-based semantic layer used by leading enterprises to make faster, better decisions with AI-ready knowledge. It transforms fragmented structured data into a unified, SQL-queryable knowledge graph that makes relationships, metrics, and business context...




A scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster.