Java

WORA

WORA, which stands for "Write Once, Run Anywhere," is a software development concept that allows code to be written once and run on multiple platforms without modification. This approach aims for cross-platform compatibility, allowing developers to use the same codebase across multiple operating systems or environments.

ZK

Ajax Web application framework, written in Java, that enables creation of graphical user interfaces for Web applications with little required programming knowledge. The core of ZK consists of an Ajax-based event-driven mechanism.

ZXing

A library for parsing different types of barcodes from images. Open-source project that allows an Android device with imaging hardware (camera) to scan barcodes or 2-D "graphical barcodes" and retrieve the data encoded.