Cost / License
- Freemium (Pay once)
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Raspberry Pi

MongoDB is described as 'Document database with the scalability and flexibility that you want with the querying and indexing that you need' and is a very popular relational database in the development category. There are more than 50 alternatives to MongoDB for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and Web-based apps. The best MongoDB alternative is PostgreSQL, which is both free and Open Source. Other great apps like MongoDB are SQLite, MySQL Community Edition, MariaDB and Redis.

Historically, software platform vendors have created lock-ins for customers that building on their stacks. Open source has provided greater freedom and reduced investments for applications projects. The so-called Platform As A Service (PaaS) offerings from the cloud providers...
RecallGraph is a versioned-graph data store - it retains all changes that its data (vertices and edges) have gone through to reach their current state.
?? lowdb is a small local JSON database powered by Lodash (supports Node, Electron and the browser)
Datahike is a durable Datalog database powered by an efficient Datalog query engine. This project started as a port of DataScript to the hitchhiker-tree. All DataScript tests are passing, but we are still working on the internals.
The Starcounter database is built with the real-time systems of today in mind. Real-time systems supporting thousands or millions of simultaneous users. Systems like online stores, location-based services or banking applications.
H2 is a relational database management system written in Java. It can be embedded in Java applications or run in the client-server mode. The disk footprint (size of the jar file) is about 1 MB.
NuoDB is a distributed database that can be deployed in any datacenter, in any cloud, anywhere, without the compromises inherent in other New SQL solutions.
SAP HANA is a completely re-imagined platform for real-time business.
It transforms business by streamlining transactions, analytics, planning, predictive, sentiment data processing on a single in-memory database so business can operate in real-time.
Matisse Software Inc. delivers database software and services to companies that need to rapidly and cost effectively develop and deploy scalable applications and services. Matisse 9, a Post Object-Relational Database product, is the first ever SQL-Object programmable data server...




LiteDB is an open-source, MongoDB-like database that requires no configuration and is mobile-ready. It's a serverless database delivered in a single DLL under 450kb, fully written in .NET C# managed code and compatible with .NET 4.5 and NETStandard 2.0.



TimesTen is a memory-optimized, relational database management system with persistence and recoverability. Originally designed and implemented at Hewlett-Packard labs in Palo Alto, California, TimesTen was spun out into a separate startup in 1996 and acquired by Oracle...