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

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  • 1
    x64dbg

    x64dbg

    An open-source x64/x32 debugger for windows.

    An open-source x64/x32 debugger for windows. Development is done on GitHub (https://github.com/x64dbg/x64dbg). Daily snapshots are uploaded here, snapshots for every commit can be found on http://releases.x64dbg.com
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    Downloads: 9,584 This Week
    Last Update:
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  • 2
    x64dbg

    x64dbg

    An open-source x64/x32 debugger for windows

    An open-source binary debugger for Windows, aimed at malware analysis and reverse engineering of executables you do not have the source code for. There are many features available and a comprehensive plugin system to add your own. Fully customizable color scheme. Dynamically recognize modules and strings. Import reconstructor integrated (Scylla). Fast disassembler (Zydis). User database (JSON) for comments, labels, bookmarks, etc. Plugin support with growing API. Extendable, debuggable scripting language for automation. Multi-datatype memory dump. Basic debug symbol (PDB) support. Dynamic stack view. Built-in assembler (XEDParse/asmjit). Executable patching and analysis. We provide both the executable and the source. Feel free to contribute. Write plugins in C++, change colors and tweak your preferences. x64dbg can debug both x64 and x32 applications. There is only one interface.
    Downloads: 91 This Week
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  • 3
    Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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    Downloads: 548 This Week
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  • 4
    ImHex

    ImHex

    A Hex Editor for Reverse Engineers, Programmers

    ImHex is a Hex Editor, a tool to display, decode and analyze binary data to reverse engineer their format, extract informations or patch values in them. What makes ImHex special is that it has many advanced features that can often only be found in paid applications. Such features are a completely custom binary template and pattern language to decode and highlight structures in the data, a graphical node-based data processor to pre-process values before they're displayed, a disassembler, diffing support, bookmarks and much much more. At the same time ImHex is completely free and open source under the GPLv2 license. Byte patching, patch management, Copy-Bytes-As-Array for many common programming languages, string and hex search, Bookmarks, Goto, Huge file support, variable column count, custom encodings and much more. ImHex includes a full custom C++-like pattern language that allows easy highlighting, decoding and analyzing of file formats.
    Downloads: 42 This Week
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  • 5
    RedtDec

    RedtDec

    RetDec is a retargetable machine-code decompiler based on LLVM

    The decompiler is not limited to any particular target architecture, operating system, or executable file format. ELF, PE, Mach-O, COFF, AR (archive), Intel HEX, and raw machine code supported. 32-bit: Intel x86, ARM, MIPS, PIC32, and PowerPC 64-bit: x86-64 supported. Demangling of symbols from C++ binaries (GCC, MSVC, Borland). Reconstruction of functions, types, and high-level constructs. Output in two high-level languages: C and a Python-like language. Generation of call graphs, control-flow graphs, and various statistics. Detection and reconstruction of C++ class hierarchies (RTTI, vtables). Signature-based removal of statically linked library code. Static analysis of executable files with detailed information. We currently support Windows (7 or later), Linux, macOS, and (experimentally) FreeBSD. An installed version of RetDec requires approximately 5 to 6 GB of free disk space.
    Downloads: 20 This Week
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  • 6
    CEmu emulator

    CEmu emulator

    Third-party TI-84 Plus CE / TI-83 Premium CE emulator

    Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable calculator screen. "Always-on-top" window option. Screen capture (PNG). Screen recording (animated PNG). File sending/receiving (not for Apps/OS yet). Multiple keybinding presets. Emulation states for efficient saving / restoring. Color skins (like the real devices). Available in English, French, Spanish, and Dutch.
    Downloads: 7 This Week
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  • 7
    Hexplorer

    Hexplorer

    Binary (hexadecimal) editor for Windows

    Binary (hexadecimal) editor for Windows
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    Downloads: 50 This Week
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  • 8
    APNG Disassembler

    APNG Disassembler

    Deconstruct APNG file into a sequence of PNG frames.

    This program converts APNG file into a sequence of individual PNG frames. Command-line interface and GUI viersions. Also, APNG Assembler can be found at http://sourceforge.net/projects/apngasm
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    Downloads: 74 This Week
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  • 9
    Medusa

    Medusa

    An open source interactive disassembler

    Medusa is a disassembler designed to be both modular and interactive. It runs on Windows and Linux, it should be the same on OSX. This project is organized as a library. To disassemble a file you have to use medusa_text or qMedusa. Medusa requires the following libraries: boost >= 1.55 (system, filesystem, thread, date_time), OGDF (required git), and Qt5 >= 5.2 for the GUI. You also need CMake for compilation and a C++11 compiler (VS2015 update 2 on Windows). Git is optional but allows to clone remote repository for specific features. If you do not wish to install the various dependencies on your system, you can use this docker image instead. Even though it is working out of the box, you may want to customize it to suit your needs or for added security (e.g. restrict ssh access to public key authentication only).
    Downloads: 3 This Week
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  • 10
    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: 2 This Week
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  • 11
    SOAPdenovo2

    SOAPdenovo2

    Large-size genome de-novo assembler

    What's next of SOAPdenovo2: MEGAHIT is the formal successor of SOAPdenovo2 MEGAHIT: An ultra-fast single-node solution for large and complex metagenomics assembly via succinct de Bruijn graph http://www.ncbi.nlm.nih.gov/pubmed/25609793 https://github.com/voutcn/megahit Latest Code on GitHub: https://github.com/aquaskyline/SOAPdenovo2 SOAPdenovo is a novel short-read assembly method that can build a de novo draft assembly for human-sized genomes. The program is specially designed to assemble Illumina short reads. It creates new opportunities for building reference sequences and carrying out accurate analyses of unexplored genomes in a cost effective way. SOAPdenovo2 is the successor of SOAPdenovo. Cite the paper published in GigaScience (see website below) if you want to cite SOAPdenovo2.
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    Downloads: 9 This Week
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  • 12
    class-reader

    class-reader

    JVM class file parser and disassembler C++ library.

    Downloads: 16 This Week
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  • 13
    Easy Beginner's Environment in QT

    Easy Beginner's Environment in QT

    This is a port of the ebe programming environment to QT.

    The ebe programming environment is a nice IDE designed for developing Assembly programs. It also handles C and C++ programs as well since there was not much extra effort. It used to support Fortran and this could return if people want Fortran. This project is an effort to recode ebe using C++ and QT. Originally ebe was coded using Python, Tkinter and Pmw, which worked out pretty well. The QT environment offers substantially better GUI controls. The most obvious difference is that Python ebe has a lot of separate windows, while the QT ebe will use 1 main window and a collection of dockable subwindows. This will make it easier to use.
    Downloads: 19 This Week
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  • 14
    DIS6502

    DIS6502

    Interactive 6502 Disassembler for Atari binary files on Windows

    A 6502 disassembler, designed to specifically support Atari binary files.
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    Downloads: 2 This Week
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  • 15
    small & symple disassembler, resource unpacker and flowchart graphical editor
    Downloads: 6 This Week
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  • 16
    The ucsd-psystem-xc project provides a Pascal cross compiler for producing UCSD p-System code files on Posix hosts, such as linux. It also provides some other related tools, such as a disassembler.
    Downloads: 4 This Week
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  • 17
    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: 2 This Week
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  • 18
    PEReaDeR is a disassembler of PE (Portable Executable, also knows as windows executable) file.
    Downloads: 1 This Week
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  • 19
    This is a windows version of my Linux disassembler. It is an old version, no where as good as the Linux version.
    Downloads: 1 This Week
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  • 20
    Desquirr is a decompiler plugin for Interactive Disassembler Pro. It is currently capable of simple data flow analysis of binaries with Intel x86 machine code.
    Downloads: 1 This Week
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  • 21
    This project is a plugin for IDA Pro disassembler to support ARM code debugging via JTAG or software emulators. JLink JTAG interface or any other RDI-compliant hw/sw emulator (such as ARMulator) can be used with it
    Downloads: 1 This Week
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  • 22

    UniSIMD-assembler

    SIMD macro assembler unified for ARM, MIPS, PPC and x86

    UniSIMD assembler is a high-level C/C++ macro assembler framework unified across ARM, MIPS, POWER and x86 architectures. It establishes a subset of both BASE and SIMD instruction sets with clearly defined common API, so that application logic can be written and maintained in one place without code replication. The assembler itself isn't a separate tool, but rather a collection of C/C++ header files, which applications need to include directly in order to use. At present, Intel SSE/SSE2/SSE4 and AVX/AVX2/AVX-512 (32/64-bit x86 ISAs), ARMv7 NEON/NEONv2, ARMv8 AArch32 and AArch64 NEON, SVE (32/64-bit ARM ISAs), MIPS 32/64-bit r5/r6 MSA and POWER 32/64-bit VMX/VSX (little/big-endian ISAs) are mostly implemented (/w horizontal reductions) although scalar improvements, wider SIMD vectors with zeroing/merging predicates in 3/4-operand instructions are planned as extensions to current 2/3-operand SPMD-driven vertical SIMD ISA. See README file.
    Downloads: 1 This Week
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  • 23
    Disassembler for linux: will try to provide a gui driven tool to disassemble executables. Written in C++, uses gtk libraries for the gui, and will disassemble binaries from a number of OSses.
    Downloads: 1 This Week
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  • 24
    dxcut is a library for reading, editing, and writing dex and odex files which contain the class definition and Dalvik bytecode used by the Android operating system. This project includes a disassembler/decompiler, dex optimizer, and hooking utils.
    Downloads: 1 This Week
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  • 25
    Goal of this project is to make a working Intel 8051 simulator. It covers also some I/O devices like keypad, LCD screen and GUI in Qt.
    Downloads: 0 This Week
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