Packr is described as 'Packages your JAR, assets and a JVM for distribution on Windows, Linux and Mac OS X, adding a native executable file to make it appear like the app is a native app' and is an app in the development category. There are six alternatives to Packr for Windows, Linux and Mac. The best Packr alternative is Java Launcher, which is free. Other great apps like Packr are Launch4j, JarToExeJni and JarToExeProc, jStart32 and Jar2Exe.
Java Launcher is a powerful Java tool and an easy-to-use software, which contains nine features totally:
Java Launcher is the most popular Windows alternative to Packr.
Java Launcher is the most popular free alternative to Packr.
Cross-platform Java executable wrapper for creating lightweight Windows native EXEs. Provides better user experience.
Launch4j is the most popular Mac & Linux alternative to Packr.
Launch4j is the most popular Open Source alternative to Packr.
JarToExeJni and JarToExeProc will convert a jar archive (Java) to an executable file (.exe extension) - executable binary files for Windows.
JStart32 works as a Win32-EXE wrapper to start Java applications running on Windows 2000 or Windows XP. The exe creation tool allows developers to define icon, minimal Java version and the start command of their Java application.
Jar2Exe is a tool to convert jar files into exe files. The principium of this software is to start java virtual machine using JNI interface. Basing on this, we have provided more other advanced features.
JSmooth is a Java Executable Wrapper. It creates native Windows launchers (standard .exe) for your java applications. It makes java deployment much smoother and user-friendly, as it is able to find any installed Java VM by itself.
China