License4J is a pure Java library for creating and validating licenses. The key concept is features of a license. You can easily add any feature to your license file, i.e. name of the product, version, expiry date, number of executable instances, etc.
Downloads: 20177 - Demo - Download Now
CryptoBlackbox for Java is the comprehensive class library that adds support for various cryptography functions to your Java or Android application. This includes symmetric and asymmetric encryption, digital signing, X.509 certificate management etc.
Downloads: 20716 - Freeware - Download Now
JTree is a professional Java tree menu applet with XML support, dynamical loading, cross-browser/multiplatform compatibility and powerful client-side API. This component is highly useful for representation of structured data.
Downloads: 20491 - Shareware - Download Now
Mouse Gestures is an open source (LGPL) pure Java library for recognition and processing mouse gestures. With Mouse Gestures you have a fast way to execute commands without using the keyboard, menus or toolbars.
Downloads: 21162 - Freeware - Download Now
JFormula is a java library for evaluating various mathematical expressions. User can evaluate instantly a string setting variables, adding its own functions or operators. There's 30 default operators and 24 mathematical functions.
Downloads: 20006 - Shareware - Download Now