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

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • Smart Business Texting that Generates Pipeline Icon
    Smart Business Texting that Generates Pipeline

    Create and convert pipeline at scale through industry leading SMS campaigns, automation, and conversation management.

    TextUs is the leading text messaging service provider for businesses that want to engage in real-time conversations with customers, leads, employees and candidates. Text messaging is one of the most engaging ways to communicate with customers, candidates, employees and leads. 1:1, two-way messaging encourages response and engagement. Text messages help teams get 10x the response rate over phone and email. Business text messaging has become a more viable form of communication than traditional mediums. The TextUs user experience is intentionally designed to resemble the familiar SMS inbox, allowing users to easily manage contacts, conversations, and campaigns. Work right from your desktop with the TextUs web app or use the Chrome extension alongside your ATS or CRM. Leverage the mobile app for on-the-go sending and responding.
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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.
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    Downloads: 1,237 This Week
    Last Update:
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  • 2
    GCBASIC
    GCBASIC is an open-source BASIC compiler for 8 bit Microchip PIC, Atmel AVR legacy, AVRDx and LGT microcontrollers. See https://ko-fi.com/post/The-Story-of-GCBASIC-Making-Microcontroller-Progr-D1D319SJ72 for story of GCBASIC. This is a continuous release project. The latest release is always available. This will give you the most complete development toolchain to create and program 8-bit PIC, AVR and LGT microcontrollers. We have added new capabilities that make GCBASIC the easiest tool set available - supporting over 1400 microcontrollers with tools to make this fun and simple. Please see the download section for your options. We have two IDEs, we have just the compiler and we have a minimal install - it is your choice. Please see the homepage here: https://gcbasic.com
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    Downloads: 276 This Week
    Last Update:
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  • 3
    X11-Basic

    X11-Basic

    A BASIC interpreter and compiler with graphics.

    X11-Basic is a dialect of the BASIC programming language with graphics capability that integrates features like shell scripting, cgi-Programming and full graphical visualisation into the easy to learn basic language on modern computers.
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    Downloads: 26 This Week
    Last Update:
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  • 4
    An Open Source Basic Compiler with ability to use OpenGL. Complete with IDE (Windows only).
    Downloads: 55 This Week
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  • Easy-to-use Business Software for the Waste Management Software Industry Icon
    Easy-to-use Business Software for the Waste Management Software Industry

    Increase efficiency, expedite accounts receivables, optimize routes, acquire new customers, & more!

    DOP Software’s mission is to streamline waste and recycling business’ processes by providing them with dynamic, comprehensive software and services that increase productivity and quality of performance.
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  • 5
    QuickerBasic is a QuickBasic 4.5 compatible compiler which attempts to implement as much of the QuickBasic language as possible, as well as extending it.
    Downloads: 15 This Week
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  • 6

    Freebasic Beginners Guide

    An updated Beginners guide to FreeBASIC

    The purpose of this project is to create and update a beginners guide to FreeBASIC. Over the years I have noticed that there was only three real ways to learn FreeBASIC. The FreeBASIC Documentation, the FreeBASIC Community Forum, and A old beginners guide written by Richard D. Clark and Ebben Feagan. Each of these sources are great, but they all assume some experience with a programming language. This Project is taking Richard D. Clark's and Ebben Feagan's "A Beginner's Guide to FreeBasic" and is editing, updating, reorganizing, and simplifying this guide. Mr. Clark and Mr. Feagan generously open sourced there guide so I could start this project. Without being able to stand on their shoulders I could not have even started this project. Please check out my homepage for updated information and ways you can help with this ongoing project. If you can please buy me a hamburger as it is hard writing a book.
    Downloads: 5 This Week
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  • 7
    nbasic - bytecode compiler+vm for middle level programming language, like basic. nbs - small and fast C-coded object orientated basic (compiler+vm) for embeded applications. Purpose: scripting support for C/C++ project.
    Downloads: 5 This Week
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  • 8
    ForceBasic - This is programming language for development software. Selecting unit library you can write program for some operation system. ForceBasic compiler can build crosspatform code, who executing with help virtual machine.
    Downloads: 4 This Week
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  • 9
    A compiler and cross-compiler for (Currently) Cobol (with Fortran being added later). It is intended to be the first self-hosted open-source Cobol Compiler, e.g. the compiler itself will be written using Cobol.
    Downloads: 3 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 10

    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: 2 This Week
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  • 11
    Operno 5.50
    A dynamic and object-oriented programming language for developing extensions of modifiable applications. Features: OOP, flexible syntax, vectorial operations, dynamic linked lists, IDE, HTML generator, includeable DLL an so on.
    Downloads: 1 This Week
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  • 12
    SpeedBasic Translator. Converts basic oop syntax to c++.
    Downloads: 1 This Week
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  • 13
    Amiblitz is the further develop of BlitzBasic 2 from Amiga. Acid Soft was so friendly to release the BB2 source as Opensource. BlitzBasic is port to PC and further develop here too. We choose the Name Amiblitz for Amiga Version to make clear its different now. Newer Versions are available from https://github.com/AmiBlitz !
    Downloads: 0 This Week
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  • 14
    Basic4Games will be a BASIC programming language for Windows and Linux. Will be the successor to Basic4GL.
    Downloads: 0 This Week
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  • 15
    An open source compiler for the Crystal programming language.
    Downloads: 0 This Week
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  • 16
    Modular BCX. BASIC translator based on BCX project hosted at: http://groups.yahoo.com/group/bcx/. Modular Cross platform implementation targeting C, C++, C#, Java and possibly other output languages.
    Downloads: 0 This Week
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  • 17
    BASIC programming language for Windows and Linux.
    Downloads: 0 This Week
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  • 18
    Downloads: 0 This Week
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  • 19
    Modern object oriented Basic compiler, generates equivalent C++ code, maganing QT widgets and classes natively.
    Downloads: 0 This Week
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  • 20

    The Amsterdam Compiler Kit (obsolete)

    Moved to https://github.com/davidgiven/ack

    Moved to https://github.com/davidgiven/ack
    Downloads: 0 This Week
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  • 21
    UltraBasic is a QBasic compatible compiler, written originally by Gabriel Fernandez, and continued until 2004 by Angelo Rosina. It was hosted on Geocities, and has been moved here because of Geocities shutdown. Source code is in QB PDS 7.
    Downloads: 0 This Week
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  • 22

    Vilegust

    Vilegust is a basic-like compiler/interpreter.

    Vilegust - named for the codesmells that eventually come of such projects - is a basic-like interpreter/compiler project in vb.net that will eventually be self-compilable.
    Downloads: 0 This Week
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  • 23
    Elice is a free compiler for programs written in the proprietary language PureBasic. It compiles those programs to C++ and then uses g++ to generate an executable. This is an old version. Development has moved to https://gitorious.org/elice/
    Downloads: 0 This Week
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  • 24

    write Basic (Gui) in Cpp

    write Basic directly in the C ++ compiler. Simply create a Gui

    Hello Here is a small easy example to write Basic Code in C ++. It helped me to learn c ++. You can easily create a gui. When changing the window sizes, the buttons change propotionally! write Basic directly in the C ++ compiler. Simply create the Gui in Linux have fun ;-)
    Downloads: 0 This Week
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  • 25
    BCX Basic to C translator
    BCX (Basic to C Translator) BCX is a small command line tool that inputs a BCX BASIC source code file and outputs a C source code file which can be compiled with many C or C++ compilers.
    Downloads: 3 This Week
    Last Update:
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