Binconv is a Python script as a template-based binary file converter. It can help to convert binary files into any text-based files which can be represented by Mako template engine. The collection of template can make this tool adaptable to many project.
ReMIPS is a tool that manipulates binaries directly, applying code reengineering techniques (like optimization or binary translation techniques). Currently it only supports the ELF object-file format and the MIPS architecture.