MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

H2 is an embeddable RDBMS written in Java.

The Data Transfer Project makes it easy for platforms to build interoperable user data portability features. We are establishing a common framework, including data models and protocols, to enable d…

Electronic Circuit Simulator in the Browser

Open souce data logging and analyzing to help you achieve better times on the track