Zaval CE Group
Java Resource Editor is a way to manage closed source localization in Java.
MyJarExplorer is a program that will let you view and edit Java .jar files.
It helps the Windows based Assistive Technology to interact with the Java AAPI.
It is a Windows 95/98/ME/NT/2000/XP disassembler and decompiler for Java .
XPilotNG Map Editor allows you to edit/manipulate your favorite XPilot NG maps.
AndroChef Java Decompiler is Windows decompiler for Java files.
It is a program for edit and modify the class files in jar softwares and games.
Helios Software Solutions
JAR-Starter launches JAR and JAD files in various J2SE and J2MEenvironments.
Swift Creek Games
Playing Jar of Marbles you will have to make marbles vanish from a jar.
Cristescu Gabriel Valentin
Handles Rar, Zip, Bz2, Ace, 7z, Iso, Cbr, Cbz, Tar, Cab, Jar, Msi, Pk3, Pak, Lzx.
The File Manager for Win 95/NT. Internal support of ZIP, ARJ,RAR,LHA,JAR,ACE Archives,D64, CAB, ISO....
Compress it is an archive utility for
Jar, Ace, Rar, Zip, Rkive, Cab,
Search a class in all jar files that in a selected directory.
Searches archive files. Supports Zip, CAB, RAR, ACE, InstallShield CAB, JAR.
Can do many things like map backups and lots more minecraft.jar backups.