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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

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  • BoldTrail Real Estate CRM Icon
    BoldTrail Real Estate CRM

    A first-of-its-kind homeownership solution that puts YOU at the center of the coveted lifetime consumer relationship.

    BoldTrail, the #1 rated real estate platform, is built to power your entire brokerage with next-generation technology your agents will use and love. Showcase your unique brand with customizable websites for your company, offices, and every agent. Maximize lead capture with a modern, portal-like consumer search experience and intelligent behavior tracking. Hyper-local area pages, home valuation pages and options for rich lifestyle data keep customers searching with your brokerage as the local experts. The most robust lead gen tools on the market help your brokerage, teams & agents effectively drive new business - no matter their budget. Empower your agents to generate free leads instantly with our simple to use landing pages & IDX squeeze pages. Drive more leads with higher quality and lower cost through in-house tools built within the platform. Diversify lead sources with our automated social media posting, integrated Google and Facebook advertising, custom text codes and more.
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  • 1
    FreeBASIC Compiler
    Open-source, free, multi-platform BASIC compiler, with syntax similar MS-QuickBASIC (including the GFX statements), that adds new features such as pointers, unsigned data types, inline assembly, a pre-processor and many others.
    Leader badge
    Downloads: 1,355 This Week
    Last Update:
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  • 2
    WinAVR
    WinAVR (tm) is a suite of executable, open source software development tools for the Atmel AVR series of RISC microprocessors hosted on the Windows platform. Includes the GNU GCC compiler for C and C++.
    Leader badge
    Downloads: 744 This Week
    Last Update:
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  • 3
    CLISP - an ANSI Common Lisp
    CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
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    Downloads: 245 This Week
    Last Update:
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  • 4
    This is NASM - the famous Netwide Assembler. THIS PAGE IS OUT OF DATE; we no longer use any Sourceforge services other than mailing lists. Get the current versions from http://www.nasm.us/.
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    Downloads: 201 This Week
    Last Update:
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  • Cloud-based help desk software with ServoDesk Icon
    Cloud-based help desk software with ServoDesk

    Full access to Enterprise features. No credit card required.

    What if You Could Automate 90% of Your Repetitive Tasks in Under 30 Days? At ServoDesk, we help businesses like yours automate operations with AI, allowing you to cut service times in half and increase productivity by 25% - without hiring more staff.
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  • 5
    Vector Pascal is a language targeted at SIMD multi-core instruction-sets such as the AVX and SSE2 or x86-64-v3. It has a SIMD compiler which supports parallel vector operations, loop unrolling, common sub expression removal etc. It is implemented in Java.
    Downloads: 27 This Week
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  • 6
    DOS/32 Advanced DOS Extender is a drop-in replacement for the DOS/4GW DOS Extender and compatibles. Being fast, small and flexible DOS/32A can be used in many environments, from embedded systems to DOS emulators, by both developers and end users alike.
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    Downloads: 39 This Week
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  • 7
    An easy to use Development Environment for OS developers to design, write, compile, test, and publish new or existing OS projects with ease.
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    Downloads: 39 This Week
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  • 8
    Fast and efficient self-assembling 80x86 assembler for DOS/Win32/Linux; with 8086-80486/Pentium/MMX/SSE/AVX/XOP instructions support, 16-bit/32-bit/64-bit code, binary/MZ/PE/COFF/ELF output formats.
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    Downloads: 15 This Week
    Last Update:
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  • 9

    SkyEye

    a very fast full system simulator

    SkyEye is a very fast full system simulator which takes llvm as IR of dynmic compiled framework.. It can simulate series ARM, Coldfire,Mips, Powerpc, Sparc, x86, TI DSP and Blackfin DSP Processor. Also can simulate multicore system by the multicore of host. The commercial support is provided by DigiProto Co. (http://www.digiproto.com)
    Downloads: 5 This Week
    Last Update:
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  • Turn more customers into advocates. Icon
    Turn more customers into advocates.

    Fight skyrocketing paid media costs by turning your customers into a primary vehicle for acquisition, awareness, and activation with Extole.

    The platform's advanced capabilities ensure companies get the most out of their referral programs. Leverage custom events, profiles, and attributes to enable dynamic, audience-specific referral experiences. Use first-party data to tailor customer segment messaging, rewards, and engagement strategies. Use our flexible APIs to build management capabilities and consumer experiences–headlessly or hybrid. We have all the tools you need to build scalable, secure, and high-performing referral programs.
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  • 10
    Software Development Kit for the Nintendo(tm) Gameboy Advance(tm) based on GCC.
    Downloads: 13 This Week
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  • 11
    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: 10 This Week
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  • 12
    Cambridge Z88

    Cambridge Z88

    Software development for 4Mb portable, using Z80 CPU and AA batteries

    This project is for the portable computer "Cambridge Z88", produced by Sir Clive Sinclair (of ZX Spectrum fame). We continue to support software development (ROM, 3rd party apps on memory cards and desktop applications). We have moved to https://cambridgez88.jira.com/wiki (development, source code and documentation). However, we continue to publish files for download here.
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    Downloads: 6 This Week
    Last Update:
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  • 13
    Cam is written in C++/asm for FreeDOS. It allows users to take a screen shot of the monitor in text-mode, which is saved to a file of their choice. The output file can be displayed by simply using the "type" command with the Cam file as the parameter.
    Downloads: 1 This Week
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  • 14
    A retargettable micro-controller and embedded system emulator architecture, providing common supports to emulate various types of micro-processors & devices on an x86 PC. Development of emulation for Arduino and various shields is just about to be launched in 2012.
    Downloads: 1 This Week
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  • 15
    The extensor, is a assembly of programs and independent libs (- nostdinc) at the moment for DJGPP, but thought for others GCC-i386. By means of this kit it is possible to construct a operating systems or a program boot from the BIOS (i386 embedded syste
    Downloads: 1 This Week
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  • 16
    CDK4AVR stands for Cross Development Kit for Atmels AVR RISC processor serie and should you support with a comprehensive Assembler and C development environment for even this processor familie under Linux or similar host systems.
    Downloads: 0 This Week
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  • 17
    AVR microcontroller burning utility
    Downloads: 0 This Week
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  • 18
    Adebug/Assemble is a pair of Debugger/Assembler for the MC68Xxx family running on Atari and Amiga computers. Years ago commercial product, now GPL.
    Downloads: 0 This Week
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  • 19
    AsmMgr is a file manager that is configured to support the AsmIDE family of developemnt tools. It can also be configured as a "mc" clone. Features include: file minipulation, two pannel views, mouse support, integrated shell, and more.
    Downloads: 0 This Week
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  • 20
    BGL is 100% assembler game library coded with NASM and linked with DJGPP (for the moment). This library will be compatible with DOS and Windows and maybe Linux (if someone want's to port it).
    Downloads: 0 This Week
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  • 21
    Utilities that enable software development for the Casio fx-9860G calculator.
    Downloads: 0 This Week
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  • 22
    CodeXpand Engine is a Scripting engine written with C++. It work with COMPILED SCRIPT linked at Run Time with Host Applications. The SCRIPT COMPILER generate the CPU bytecode requested from the Host CPU where the application (& the scripts) will run.
    Downloads: 0 This Week
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  • 23
    CRASM is a portable cross-assembler for 6800/6801/6803/6502/65C02/Z80. New repository: https://github.com/colinbourassa/crasm
    Downloads: 0 This Week
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  • 24
    (moved to http://savannah.nongnu.org/projects/demi) Demi is an object-oriented library for Gameboy Advance programming. The main purpose of this project is to standardize commonly used aspects of GBA programming with an integrated standard library.
    Downloads: 0 This Week
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  • 25
    The idea of this project is to create an online assemblies's repository and a Visual Studio Addin to communicate with this repository. Those assemblies can be add by references on any .NET project easily with the addin.
    Downloads: 0 This Week
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