The DBacesslayer (or DBSlayer for short) is a lightweight database abstraction layer suitable for high-load Web sites where you need the scalable advantages of connection pooling. DBSlayer talks to clients via JSON over HTTP, meaning it's simple to monitor and can swiftly interoperate with any Web framework you choose.
The Maven License Verifier Plugin is a Maven plugin that is intended to check the licenses of artifacts managed by Maven. This can be done during the build process, you can choose to let the build fail if an artifact with a wrong license is used. The licenses are categorized by a definition file that lists them with their different URLs and names. This can be different from project to project.
Poor Man's Imaging Wrapper a clean and simple API wrapper over JAI, Java2D, ImageIO, and AWT. It supports a set of imaging operations (read, write, scale/resize, crop, grayscale, add transparency, rotate, add border, flip/mirror, add text, overlay, blur, sharpen, etc.) with simple direct calls to the API. If you want to switch from Java2D to JAI, all you need to do is add JAI jars to the classpath. It supports GIF encoding if PJA tools jars are available in the classpath.