The M6811 Code-Seeking Disassembler is a command-line tool that lets you enter known starting vectors for a given code image for the 6811 micro. It will disassemble the code and follow through branches to assist in the separation of code and data.
Its companion Fuzzy Function Analyzer uses DNA Sequence Alignment Algorithms to locate similar code in multiple binaries, facilitating reverse-engineering.
AsmDis - disassembler for x86 Linux ELF executables. AsmDis is a interactive disassembler that allows code and data to be identified. Optionally the output can be used by AsmSrc to generate source files.