A Hex Editor for Reverse Engineers, Programmers
Official radare2 GUI
Freeze (package) Python programs into stand-alone executables
Fast and lightweight x86/x86-64 disassembler and code generation lib
Blazing fast and correct x86/x64 disassembler, assembler, decoder, etc
Capstone disassembly/disassembler framework
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
The Open Source Disassembler
The Interactive MOS 6502 Disassembler for Windows
An assembler for the legendary 6502 processor and it's derivatives
Generic Code-Seeking Diassembler with Fuzzy-Function Analyzer
Export disassemblies into Protocol Buffers
Assembles M6800 and 6801 assembly language source code. (and Forth)
additional/alternalive includes set to flat assembler
Creates APNG animation from PNG/TGA image sequence.
Open-source disassembler for x86/x64 machine code (New BSD License!)
Michel Max - WPF Color Picker
An assembler and disassembler for the JVM (Java Virtual Machine)
Japheth's assembler, JWasm
Binary (hexadecimal) editor for Windows