Alternatives to NASM for all platforms with any license

Platforms

Desktop

Indie / Classic

  • Pelles C icon

    Pelles C

    Pelles C is a comprehensive development suite that can help you create apps compatible with Windows and ARM platforms. It contains among other things an optimizing C compiler, a macro assembler, a linker, a resource compiler, a...

    Free Personal Windows

  • flat assembler

    The flat assembler is a fast and efficient self-assembling x86 assembler for DOS, Windows and Linux operating systems. Currently it supports x86 and x86-64 instructions sets with MMX, 3DNow!, SSE up to SSE4, AVX, AVX2 and XOP...

    Open Source Windows Linux

  • Easy code icon

    Easy code

    Easy Code is the visual assembly programming environment made to build 32-bit Windows applications. The Easy Code interface, looking like Visual Basic, allows you to program Windows assembler applications (executable files, dynamic...

    Open Source Windows

  • MASM Builder icon

    MASM Builder

    MASM Builder is a free Integrated Development Environment IDE for developing 32-bit Windows programs using the Assembler. MASM Builder contains many useful features which will assist you in creating Windows API based programs. MASM...

    Free Windows

  • Yasm icon

    Yasm

    Yasm is a complete rewrite of the NASM assembler. It supports the x86 and AMD64 instruction sets, accepts NASM and GAS assembler syntaxes and outputs binary, ELF32 and ELF64 object formats.

    Open Source Windows Linux Haiku

  • Emu8086 icon

    Emu8086

    Emu8086 is a Microprocessor Emulator with integrated 8086 Assembler and Free Tutorial. Emulator runs programs on a Virtual Machine, it emulates real hardware, such as screen, memory and input/output devices. Emu8086 pack combines...

    Commercial Windows

  • Flasm

    Flasm is a free command line assembler/disassembler of Flash ActionScript bytecode. It lets you make changes to any SWF. Flasm fully supports SWFs produced by Macromedia Flash 8 and earlier.

    Open Source Mac Windows Linux

  • JWasm

    JWasm is a Masm v6 compatible assembler. It's released under the Sybase Open Watcom Public License 1.0. JWasm can be used for virtually any purpose, unlike Microsoft's free download of current Masm versions, which are for...

    Open Source Windows Linux

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