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

  • Auth for GenAI | Auth0 Icon
    Auth for GenAI | Auth0

    Enable AI agents to securely access tools, workflows, and data with fine-grained control and just a few lines of code.

    Easily implement secure login experiences for AI Agents - from interactive chatbots to background workers with Auth0. Auth for GenAI is now available in Developer Preview
    Try free now
  • AI-powered service management for IT and enterprise teams Icon
    AI-powered service management for IT and enterprise teams

    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
    Try it Free
  • 1

    MinGW-w64 - for 32 and 64 bit Windows

    A complete runtime environment for gcc

    The mingw-w64 project is a complete runtime environment for gcc to support binaries native to Windows 64-bit and 32-bit operating systems.
    Leader badge
    Downloads: 55,650 This Week
    Last Update:
    See Project
  • 2
    Small Device C Compiler (SDCC)

    Small Device C Compiler (SDCC)

    The Small Device C Compiler (SDCC), targeting 8-bit architectures

    SDCC is a retargettable, optimizing standard C (ANSI C89 / ISO C90, ISO C99, ISO C11 / C17, ISO C23) compiler that targets a growing list of architectures: STM8, MCS-51, DS390, HC08, S08, Z80, Z180, R800, Rabbit, SM83, eZ80 in Z80 mode, Z80N, TLCS-90, Padauk PDK14 and PDK15 microprocessors. There also is incomplete support for the Microchip PIC16 and PIC18 and the Padauk PDK13 and MOS 6502.
    Leader badge
    Downloads: 1,114 This Week
    Last Update:
    See Project
  • 3
    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: 888 This Week
    Last Update:
    See Project
  • 4

    MinGW-builds

    Dual-target (32 & 64-bit) MinGW-W64 compilers for 32 & 64-bit Windows

    Projects joined MinGW-W64, and the new builds will be available on the MinGW-W64 site: https://sourceforge.net/projects/mingw-w64
    Leader badge
    Downloads: 198 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    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/.
    Leader badge
    Downloads: 205 This Week
    Last Update:
    See Project
  • 6
    Raspberry Pi GCC Toolchains

    Raspberry Pi GCC Toolchains

    CI maintained precompiled GCC ARM/ARM64 Toolchains for Raspberry Pi

    This project provides latest Raspberry Pi hardware optimized GCC Cross Compiler & Native (ARM & ARM64) automated Build-Scripts and Precompiled standalone Toolchains binaries, that will save you tons of time & thereby helps you get quickly started with software development on Pi.
    Leader badge
    Downloads: 211 This Week
    Last Update:
    See Project
  • 7
    WinXP, Vista, Win7, linux, OpenSolaris native port of the BSD PSPSDK (ps2dev.org), with freely distributable import libraries and header files (DevPaks) for building cross compiled homebrew Sony PSP (PlayStation Portable) applications.
    Downloads: 48 This Week
    Last Update:
    See Project
  • 8

    ACME Cross-Assembler

    multi-platform cross assembler for 6502/6510/65816 cpu

    ACME is a free cross assembler released under the GNU GPL. It can produce code for the following processors: 6502, 6510 (including illegal opcodes), 65c02 and 65816. ACME supports the standard assembler stuff like global/local/anonymous labels, offset assembly, conditional assembly and looping assembly. It can include other source files as well as binaries while assembling. Calculations can be done in integer or float mode. Oh, and it is fast.
    Leader badge
    Downloads: 66 This Week
    Last Update:
    See Project
  • 9

    open-watcom

    Open Watcom C/C++ compilers and tools Fork

    C/C++ compilers and tools to compile and build for targets DOS 16/32-bit, RDOS, Windows 16/32-bit, OS/2 16/32 bit, Linux 32-bit (x86), Netware running on host OS DOS, Windows 16/32/64-bit, OS/2, Linux 32/64-bit (x86/x64) Open Watcom is now completely moved to GitHub Open Watcom 2.0 https://github.com/open-watcom/open-watcom-v2#open-watcom-v2-fork Open Watcom 1.9 https://github.com/open-watcom/open-watcom-1.9
    Leader badge
    Downloads: 36 This Week
    Last Update:
    See Project
  • Crowdtesting That Delivers | Testeum Icon
    Crowdtesting That Delivers | Testeum

    Unfixed bugs delaying your launch? Test with real users globally – check it out for free, results in days.

    Testeum connects your software, app, or website to a worldwide network of testers, delivering detailed feedback in under 48 hours. Ensure functionality and refine UX on real devices, all at a fraction of traditional costs. Trusted by startups and enterprises alike, our platform streamlines quality assurance with actionable insights. Click to perfect your product now.
    Click to perfect your product now.
  • 10
    JWasm is a Masm-compatible assembler. It supports 16-, 32- and 64-bit code, instructions up to AVX and various output formats. It's written in C.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 11
    Catalina C Compiler
    Catalina is a C compiler plus a set of C libraries and device drivers for use with the Parallax Propeller microcontroller. Catalina is a cross-compiler based on the retargetable C compiler "lcc". Catalina runs on Windows or Linux.
    Downloads: 21 This Week
    Last Update:
    See Project
  • 12
    PlatformIO Storage

    PlatformIO Storage

    An open source ecosystem for IoT development

    Cross-platform code builder and library manager. Continuous and IDE integration. Arduino and MBED compatible. Ready for Cloud compiling. Development Platforms - Embedded and Desktop development platforms with pre-built toolchains, debuggers, uploaders and frameworks which work under popular host OS: Mac, Windows, Linux (+ARM) Embedded Boards - Rapid Embedded Programming, IDE and Continuous Integration in a few steps with PlatformIO thanks to built-in project generator for the most popular embedded boards and IDE Library Manager - Hundreds Popular Libraries are organized into single Web 2.0 platform: list by categories, keywords, authors, compatible platforms and frameworks; learn via examples; be up-to-date with the latest version Atmel AVR & SAM, Espressif, Freescale Kinetis, Nordic nRF51, NXP LPC, Silicon Labs EFM32, ST STM32, TI MSP430 & Tiva, Teensy, Arduino, mbed, libOpenCM3, etc.
    Downloads: 39 This Week
    Last Update:
    See Project
  • 13
    BCU SDK is a C based, high level development system for creating programs for EIB/KNX BCU devices. It includes the GNU toolchain for the m68hc05 architecture (m68hc05-gcc, m68hc05-gdb, newlib). Bus access is possible using multiple methods.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 14
    YAGARTO is a cross development environment for the ARM architecture, running on a Windows host. It includes the GNU C/C++ toolchain and the Eclipse IDE.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 15
    Open source Algol 68 implementations

    Open source Algol 68 implementations

    Implementations for the Revised Report language

    This project offers open source implementations for UNESCO/IFIP's Algol 68 (the Revised Report language). The project offers two implementations: Implementation 1 is Algol68G: a recent checkout hybrid compiler/interpreter by Marcel van der Veer, supporting arbitrary arithmetic, partial parametrisation, complex numbers, POSIX threads, GNU plotutils, GNU scientific library, curses, sound, TCP sockets, RegEx and PostgreSQL. Inplementation 2 is algol68toc, a port by Sian Mountbatten of the vintage Algol68RS (UK Defense Research Agency) compiler. The implementation emits C code.
    Leader badge
    Downloads: 9 This Week
    Last Update:
    See Project
  • 16
    k2development consists of Assembler,Linker and other necessary Tools to build 6502 Assembly Language Programs.
    Downloads: 20 This Week
    Last Update:
    See Project
  • 17
    BITswitcher is a firmware-developing-project for BCM96348GW based ADSL-Router like the Targa WR500 Voip or the Speedport W500V sold by Deutsche Telekom AG. There have been included many applications and an web-frontend to administrate the new functions.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 18

    ATasm: 6502 cross-assembler

    ATasm is a 6502 command-line cross-assembler.

    ATasm is a 6502 command-line cross-assembler that is compatible with the original Mac/65 macro assembler released by OSS software. The aim of ATasm is to provide Atari home-brew coders with a comfortable and powerful toolset.
    Leader badge
    Downloads: 5 This Week
    Last Update:
    See Project
  • 19
    Z88 Development Kit

    Z88 Development Kit

    C compiler and dev kit for the z80 with assembly language libraries.

    Z88DK is a complete Z80 / Z180 development kit that includes C compiler, assembler, linker, a tool for generating executables in a number of formats, and miscellaneous other tools. Over 80 machines are directly supported out of the box including standalone Z80 and Z180 embedded systems. Z88DK's extensive assembly language libraries give it significant performance advantages over other Z80 C Compilers. Building software for standalone or generic Z80 systems: https://www.z88dk.org/wiki/doku.php?id=libnew:target_embedded Visit us at github for the current version with bugfixes and new features: https://github.com/z88dk/z88dk
    Leader badge
    Downloads: 7 This Week
    Last Update:
    See Project
  • 20
    nwcc is a C compiler for Unix systems targeting *BSD, OSX, Linux and Solaris on x86 (nasm/gas), FreeBSD, OSX and Linux on AMD64 (yasm/gas), Solaris on SPARC, AIX and Linux on PPC/PPC64 and IRIX on MIPS64. Cross-compilation is supported.
    Leader badge
    Downloads: 12 This Week
    Last Update:
    See Project
  • 21
    A cross assembler for the ubiquitous Intel(tm) 8048 family of microcontrollers. Also supports compatible parts such as the 8035, 8039, 8049, etc. Binaries are available for Windows, Linux and Mac OSX.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 22

    coldev

    C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT

    + C/C++ and PHP projects, Python and Others + 3D ENGINES + Videogames Projects based in Bennugd http://www.bennugd.org Web Page https://coldev.sourceforge.io/
    Leader badge
    Downloads: 7 This Week
    Last Update:
    See Project
  • 23
    MIDletPascal
    MIDletPascal is specifically suited for development of J2ME midlets. It's compiler translates Pascal source code directly into Java microedition bytecode.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24

    ECMA-55 Minimal BASIC compiler

    BASIC Compiler and Interpreter

    John's Mutant contains several projects. The current project is an ECMA-55 Minimal BASIC compiler for Linux systems using AMD64 compatible CPUs. You can download the MinimalBASIC compiler source in the Files section.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 25
    GCC C compiler for MVS 3.8, MVS/XA, OS/390, z/OS and VM, z/VM, DOS/VS, z/VSE IBM mainframe computers. Plus MVS/380, VM/380, VSE/380 from Jujitsu. Note that the latest dev source and PC executables can be found in custom.zip and customb.zip at http://pdos.zip
    Leader badge
    Downloads: 5 This Week
    Last Update:
    See Project
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.