NosDB
NosDB is a 100% native .NET Open Source NoSQL Database (released under the Apache 2.0 License).
20 Alternatives To NosDB
Apache Cassandra
The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.
ArangoDB
A distributed open-source database with a flexible data model for documents, graphs, and key-values.
Azure Cosmos DB
NoSQL JSON database for rapid, iterative app development.
Firebird
Relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platform
MySQL Workbench
MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
PostgreSQL
PostgreSQL is a powerful, open source object-relational database system.
Raven DB
Introducing RavenDB 4. 0. A Fully Transactional Open Source NoSQL Document Database. Easy to use, rapidly scalable, offers high availability, and takes your Business into the Next Generation of Data Performance.
Redis
Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
VoltDB
In-memory relational DBMS capable of supporting millions of database operations per second
neo4j
Meet Neo4j: The graph database platform powering today’s mission-critical enterprise applications, including artificial intelligence, fraud detection and recommendations.