Best Open Source BASIC Compilers

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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.

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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.

34 Reviews

Downloads: 1,113 This Week

Last Update: 2025-10-18
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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

46 Reviews

Downloads: 375 This Week

Last Update: 9 hours ago
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3

Code Compiler

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: 0 This Week

Last Update: 2014-04-22
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4

Modular BCX

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

Last Update: 2013-04-22
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5

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.

1 Review

Downloads: 30 This Week

Last Update: 2019-11-21
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