MapDB
MapDB is a free, open-source Java library that provides collections backed by off-heap or on-disk storage, combining the Java collection framework with an embedded database engine.
Score
30
User Rating
3.0
Free/Trial Support
Supported
Starting Price
--
Last Updated
Apr 24, 2026
Overview
What is MapDB?
MapDB is a hybrid between the Java collection framework and an embedded database engine, offering Java Maps, Sets, Lists, Queues, and other collections that can be stored off-heap or on-disk. It is free and open-source under the Apache license.
What is MapDB used for?
Top Features
- Java collections backed by off-heap storage
- Java collections backed by on-disk storage
- Embedded database engine
- Open-source under Apache license
How to use MapDB?
To use MapDB, integrate it into your Java project as a library, then create and manage collections that are persisted to disk or off-heap memory for efficient data handling in applications.
Alternative Tools
No alternative tools found
Pros & Cons
Pros
- Free and open-source
- Efficient memory and disk usage
- Seamless integration with Java applications
Cons
- Requires Java knowledge
- Limited to Java ecosystem
Use Cases
- Embedded database for Java applications
- Persistent collections for data processing
- Off-heap storage for high-performance systems
MapDB Pricing
Free Plan
No detailed pricing information available
User Reviews
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