Traccar GPS Tracking System

The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main pro…

A High Dynamic Range (HDR) Histogram

Speedment is a Stream ORM Java Toolkit and Runtime

Pravega - Streaming as a new software defined storage primitive

Java Indexed Record Chronicle

A collection of useful/essential gRPC Java Examples

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

A Graph Server (no longer active - see Apache TinkerPop)

Rubik's Cube Solver. An optimized implementation of Kociemba's two-phase algorithm.

Prevayler

Journal.IO is a zero-dependency, fast and easy-to-use journal storage implementation.

Versioning for Web Resources

A variable length record, checksumming, append only rotating log implementation with graceful recovery

In-memory Neo4j server for testing using the ImpermanentGraphDatabase

Near-Realtime Communication Foundation for Java / ActionScript / C# / HTML5 / and many more using Sockets, Websockets, HTTP2, HTTP Long-Polling

Embedded Key Value Java Database

A sample GRPC server that provides a gateway to Pravega

Transparent Replication and Persistence for POJO's (Plain Old Java Objects)

MessagePack is an extremely efficient object serialization library. It's like JSON, but very fast and small.

Transparent Persistence for POJO's (Plain Old Java Objects)

Log and display times from your StackMat competition timer.

Training material for Java