Browse free open source C Disassemblers and projects below. Use the toggles on the left to filter open source C Disassemblers by OS, license, language, programming language, and project status.

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  • 1
    APNG Assembler

    APNG Assembler

    Creates APNG animation from PNG/TGA image sequence.

    Creates highly optimized Animated PNG files from PNG/TGA image sequences. CLI versions available for all major OSes. GUI versions for Windows and macOS. Also, APNG Disassembler can be found at http://sourceforge.net/projects/apngdis
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    Downloads: 377 This Week
    Last Update:
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  • 2

    OpenOCD - Open On-Chip Debugger

    The Open On-Chip Debugger

    The "Open On-Chip Debugger" provides JTAG/SWD access from GDB (or directly with TCL scripts) to processors with ARM and MIPS based cores. See website for full list of supported targets.
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    Downloads: 367 This Week
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  • 3
    A disassembler for the linux platform. Currently this supports x86 ELF files assumed to be written in C and output to intel- syntax assembly language; however the design is modular and replacements for any of these can be written.
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    Downloads: 792 This Week
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  • 4
    Hexplorer

    Hexplorer

    Binary (hexadecimal) editor for Windows

    Binary (hexadecimal) editor for Windows
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    Downloads: 54 This Week
    Last Update:
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    G-P - Global EOR Solution

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  • 5
    Capstone

    Capstone

    Capstone disassembly/disassembler framework

    Capstone is a disassembly framework with the target of becoming the ultimate disasm engine for binary analysis and reversing in the security community. Created by Nguyen Anh Quynh, then developed and maintained by a small community, Capstone offers some unparalleled features. Support multiple hardware architectures: ARM, ARM64 (ARMv8), Ethereum VM, M68K, Mips, MOS65XX, PPC, Sparc, SystemZ, TMS320C64X, M680X, XCore and X86 (including X86_64). Having clean/simple/lightweight/intuitive architecture-neutral API. Provide details on disassembled instruction (called “decomposer” by others). Provide semantics of the disassembled instruction, such as list of implicit registers read & written. Implemented in pure C language, with lightweight bindings for D, Clojure, F#, Common Lisp, Visual Basic, PHP, PowerShell, Emacs, Haskell, Perl, Python, Ruby, C#, NodeJS, Java, GO, C++, OCaml, Lua, Rust, Delphi, Free Pascal & Vala (ready either in main code, or provided externally by the community).
    Downloads: 6 This Week
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  • 6
    BinExport

    BinExport

    Export disassemblies into Protocol Buffers

    BinExport is a disassembly export plugin developed by Google as part of the BinDiff ecosystem, designed for reverse engineering and binary analysis. It works with popular disassemblers including IDA Pro, Binary Ninja, and Ghidra, enabling the export of disassembly data into a structured Protocol Buffer format. This exported data can then be used for binary comparison, diffing, and advanced analysis tasks through BinDiff or other compatible tools. BinExport captures detailed information such as instructions, functions, control flow graphs, and metadata, providing a machine-readable representation of a program’s disassembled structure. It supports multiple export formats, including binary, text, and statistics outputs, and can be used interactively or via scripting (IDC, IDAPython, or Ghidra’s headless mode). The project includes complete build instructions for Linux, macOS, and Windows, ensuring reproducibility across platforms.
    Downloads: 4 This Week
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  • 7
    Udis86 is an easy-to-use minimalistic disassembler library for the x86 and x86-64 instruction set architectures. The primary intent of the design and development of udis86 is to aid software development projects that entail binary code analysis.
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    Downloads: 33 This Week
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  • 8
    BEYE (Binary EYE) is a free, portable, advanced file viewer with built-in editor for binary, hexadecimal and disassembler modes. It contains a highlight AVR/Java/i86-AMD64/ARM-XScale/PPC-64 and other disassembler, full preview of MZ,NE,PE,ELF and other.
    Downloads: 24 This Week
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  • 9
    DiDasm is a small and fast disassembler, useful for Windows kernel developers. Advantages: - highly portable, has minimal runtime requirements (C runtime); - core libraries do not require any external components; - includes instructions emulator (diana_processor); - has stream oriented design; Supported platforms: i386, amd64 Supported instructions: x586/amd64/FPU/MMX/SSE/SSE2
    Downloads: 3 This Week
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    eProcurement Software

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  • 10
    Tiny8051
    Tiny8051 is small 8051 microcontroller simulator written in C#. Project was created for educational purposes, to show how µP works by using clean visual interface and debugging. Note: communication over serial port was not implemented, because there was no demand for it.
    Downloads: 3 This Week
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  • 11

    FCML

    A machine code manipulation library for Intel 64 and IA-32.

    This is a general purpose machine code manipulation library for IA-32 and Intel 64 architectures. The library supports UNIX-like systems as well as Windows and is highly portable. The FCML library is free for commercial and non-commercial use as long as the terms of the LGPL license are met. Currently it supports such features as: - A one-line disassembler - A one-line assembler - An experimental multi-pass load-and-go assembler (Multi line!) - Support for the Intel and AT&T syntax - An instruction renderer - An instruction parser - Instructions represented as generic models - UNIX/GNU/Linux and Windows support - Portable - written entirely in C (no external dependencies) - C++ wrapper - Supported instruction sets: MMX, 3D-Now!, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AVX, AVX2, AES, TBM, BMI1, BMI2, HLE, ADX, CLMUL, RDRAND, RDSEED, FMA, FMA4, LWP, SVM, XOP, VMX, SMX, AVX-512 Source code moved to: https://github.com/swojtasiak/fcml-lib
    Downloads: 2 This Week
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  • 12

    z80ex

    ZiLOG Z80 CPU emulation library

    Z80~Ex is the portable ZiLOG Z80 CPU emulator designed as a library. Goals include : precise opcode emulation (documented & undocumented), exact timings for each opcode (including I/O operations), multiple CPU contexts. disassembler is also included.
    Downloads: 2 This Week
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  • 13
    lida is a fast feature packed interactive ELF disassembler / code-/cryptoanalyzer based on bastards libdisasm (see bastard project).
    Downloads: 1 This Week
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  • 14
    PED is a dumper for common binary executables, prividing disassembly information, resources, etc
    Downloads: 1 This Week
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  • 15
    VirtuAL3101 provides a series of tools to develop effects using the AL3101 DSP from Alesis. It includes an assembler/disassembler, a simulator, an application generator with its graphical interface and various effects.
    Downloads: 1 This Week
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  • 16
    Disassembler and assembler for Windows Mobile with ARM processor. Compiled with Pelles C on Windows XP.
    Downloads: 1 This Week
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  • 17
    PPCD is very accurate PowerPC ISA (and derivative processors) disassembler. Currently supported models are: Generic-32, Generic-64 and Gekko. PPCD is free opensource. You can use it in your applications without mention.
    Downloads: 1 This Week
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  • 18
    IMAVR is Atmel AVR 8-bit RISC chip emulator for UNIX. You can run your code before programming to chip. Embedded simple debugger and disassembler. Emulate wide range of AVR chip, wide range of their modules: EEPROM,USART, timers and so on.
    Downloads: 0 This Week
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  • 19
    Java Decompiler, Disassembler and Bytecode debugger. Decompiler supports Java 5 (e.g. generics, for-each loops etc). Debugger allows user to step through each bytecode and view program state. Contains Swing GUI.
    Downloads: 0 This Week
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  • 20
    lib5600x is a library implementing Motorola DSP5600x disassembler. It's an ANSI C link library that should be useful for people writing debuggers, memory monitors etc for DSP5600x chips.
    Downloads: 0 This Week
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  • 21
    Flasm is an assembler/disassembler for Flash actionscript bytecode. Using flasm, script authors may learn how actionscript compiler and Flash Player virtual machine work, and tweak the compiled bytecode in SWF files for performance.
    Downloads: 0 This Week
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  • 22
    FlexxCpu

    FlexxCpu

    Flexible and eXpandable Cpu simulation

    A small simulation of an experimental customized Cpu called FlexxCpu. A virtual Cpu whose assembly instructions have been strongly influenced by old cpus architecture (8080, 6809, z80, 68k, etc...) Please support this project by donating to this fundraiser: ------------------------------------------- Give birth to new travel bicycles!!! https://gofund.me/2201d2a4 -------------------------------------------
    Downloads: 0 This Week
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  • 23
    MEDDAC is the seeding point for designing a new approach to Operating System design itself. It is an Open Source project with roots in mainframe design and development the author began in 1979. Monitor Editor Disassembler Decompiler Assembler Compiler
    Downloads: 0 This Week
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  • 24
    "Motorola DSP56800 Tool Chain" is intended to create a complete development environment for the embedded digital signal processor family. Including assembler/disassembler, linker, archiver and light C compiler based on GNU binutils and gcc.
    Downloads: 0 This Week
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  • 25
    Q Disassembler is a flexible disassembly engine that aims to provide precise information about machine instructions while maintaining OS-independence and performance.
    Downloads: 0 This Week
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