Download of jclasslib 6.0.3 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app is a product of ej-technologies GmbH. The software lies within Developer Tools, more precisely IDE.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular version among the program users is 3.1. The app's installation file is generally known as jclasslib_macos_3_1.dmg.
From the developer:
jclasslib bytecode viewer is a tool that visualizes all aspects of compiled Java class files and the contained bytecode. In addition, it contains a library that enables developers to read, modify and write Java class files and bytecode. A module for NetBeans is available from nbextras.org.
You may want to check out more Mac applications, such as JBuddy Bot Builder, HexDecBin or Pleinpot, which might be similar to jclasslib.