This is your personal local TON blockchain (ton.org) in a shape of cross-platform desktop application. It comes in a form of uber-jar with all dependencies and binaries.
Jasmin is a Java Assembler. It takes ASCII descriptions for Java classes, written in a simple assembler-like syntax. It converts them into binary Java .class class files suitable for loading into a Java Virtual Machine implementation.
The Version Checker Tool traverses the given folder or directory and groups the found classes by java major and minor version. It helps to identify and resolve the java run time compatibility issues with class and jar files.