A complete Parallax Propeller debugger/simulator for development of assemblercode, with built-in editor and compiler. In runs under Java v1.5 or better.
jbytecode is a Java bytecode disassembler/assembler written in Python. Dissasembly code is aligned with Java bytecodes in the class file so modification and re-assembly is always possible, even when class is obfuscated.
zCOBOL portable mainframe COBOL compiler, part of the z390 project
The zCOBOL portable mainframe COBOL compiler with support for compiling multiple dialects of COBOL into any one of several target language executable programs including HLASM compatible mainframe assembler, Java, C++, or Intel assembler. All downloads and other information are kept at the z390 project site; see the home page link for more information.