Java(tm) Bytecode Assembler Java(tm) Bytecode Assembler: Free, but for research and educational use only. (Translators) http://www.bestuff.com/html/mirrors/javaa/
Languages for the Java VM Languages for the Java VM: A list of tools for programming to the Java virtual machine using a language other than Java itself. (Robert Tolksdorf) (Translators) http://www.robert-tolksdorf.de/vmlanguages.html
Harissa Harissa: Java environment that includes a compiler from Java bytecode to C and a Java interpreter. [Open Source, GPL] (Translators) http://compose.labri.u-bordeaux.fr/prototypes/harissa/
Applet Servlet Applet Servlet: Free online compiler and runner for Java applets. (Translators) http://www.applet.dk/
DJ DJ: Java decompiler and editor for Windows. [Freeware] (Translators) http://members.fortunecity.com/neshkov/dj.html
The KOPI Project The KOPI Project: Java compiler, byte-code assembler, disassembler. [Open Source, GPL] (Translators) http://www.dms.at/kopi/
Compiling the Java Programming Language Compiling the Java Programming Language: Issues related to compiling Java into native (object) code. Treats why, compiler architecture, links (Java compiling, compiling generally), frontend and infrastructure software. (Translators) http://www.bearcave.com/software/java/java_compiler.html
Jikes Jikes: IBM Research Jikes Compiler Project. A Java compiler written in C++. [Open Source, IBM Public License] (Translators) http://oss.software.ibm.com/developerworks/opensource/jikes/