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

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
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  • 1
    GnuWin

    GnuWin

    Provides native Win32 open source ports and utilities

    GnuWin provides Win32-versions of GNU tools, or tools with a similar open source licence. The ports are native ports, relying only on libraries provided with any modern 32-bits MS-Windows operating system, such as 2000 / XP / Vista / 7
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    Downloads: 42,454 This Week
    Last Update:
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  • 2
    Lazarus

    Lazarus

    Rapid applications development tool and libraries for FPC

    The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.
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    Downloads: 14,804 This Week
    Last Update:
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  • 3
    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: 1,169 This Week
    Last Update:
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  • 4
    Lazarus Code and Component Repository
    Lazarus is a free and open source development tool for the Free Pascal Compiler. The purpose of this project is to serve as a Code Repository, Wiki Knowledgebase and support site for converting existing components and libraries to work with Lazarus and the Free Pascal Compiler.
    Leader badge
    Downloads: 183 This Week
    Last Update:
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  • 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.
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  • 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: 117 This Week
    Last Update:
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  • 6
    Windows port of Glade 3. The latest version includes a stand-alone installer with bundled GTK+ 2.16.0 and libxml 2.7.3. Extra installers or zip files are not required. No changes to the Glade source were required to compile under mingw.
    Leader badge
    Downloads: 156 This Week
    Last Update:
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  • 7
    pngcrush and other tools for manipulating PNG (Portable Network Graphics) and MNG (Multiple-image Network Graphics) files.
    Leader badge
    Downloads: 287 This Week
    Last Update:
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  • 8
    Development environment for OS/2 and DOS
    Downloads: 76 This Week
    Last Update:
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  • 9
    Inno Setup Toolbar Advanced for VB6

    Inno Setup Toolbar Advanced for VB6

    Deploy Visual Basic 6.0 Applications Easily

    The best alternative or even a successor to Package Deployment Wizard. You can now deploy applications straight from your Visual Basic 6.0 projects via Inno Setup by using this Visual Basic Add-In. It is fork and improved version of Inno Setup Toolbar 2.0 by Coder_Ghost of Planet Source Code inheriting the characteristics of Package Deployment Wizard. Now the deployment of applications written in Visual Basic 6.0 is now much more easier and less troublesome than before. System Requirements: * Visual Basic 6.0 IDE * Inno Setup (version 4.0 or higher) NOTICE: * Visual Basic 6.0 is a trademark of Microsoft Corp. * Inno Setup is a trademark of Jordan Russell.
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    Downloads: 12 This Week
    Last Update:
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  • Forever Free Full-Stack Observability | Grafana Cloud Icon
    Forever Free Full-Stack Observability | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

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  • 10
    armadeus
    Armadeus is an OpenSource Hardware and Software project based on an ARM core (Freescale i.MX) and Linux. You can consult our wiki at http://www.armadeus.org to join our non profit association or our commercial website at http://www.armadeus.com .
    Downloads: 4 This Week
    Last Update:
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  • 11
    This project create and maintain Debian Installers(.deb) of Linux programs. This way Debians distributions like Ubuntu become more easy, fast and organized to use.
    Downloads: 14 This Week
    Last Update:
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  • 12
    This is a javadoc doclet which produces PDF output for a given Java API, using another SourceForge project, "iText". It requires nothing more than some JAR files for creating PDF files. Forget about all the fuss of having to create MIF output first
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    Downloads: 14 This Week
    Last Update:
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  • 13
    php Template Engine
    Downloads: 13 This Week
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  • 14
    JavaGuard is a general purpose bytecode obfuscator, designed to fit effortlessly into your regular build and testing process, providing peace of mind that your valuable Java code is more secure against decompilation and other forms of reverse engineering
    Downloads: 2 This Week
    Last Update:
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  • 15
    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: 3 This Week
    Last Update:
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  • 16
    The OpenG Application Builder plugs into the National Instruments LabVIEW Application Builder. The OpenG Application builder provides several additional features to the National Instruments Application Builder including segregation of Open Source LabVIE
    Downloads: 5 This Week
    Last Update:
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  • 17
    Druid is a GUI tool for database build and management. Users can add/change/delete DB objects (tables, fields, etc). Druid generates for you: SQL scripts, docs in XHTML, PDF, DocBook, etc; code in C, C++ & Java Beans even for JDO and support Castor & OJB
    Downloads: 1 This Week
    Last Update:
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  • 18
    Application Properties Organized and Stored in central location. That's main purpose of APropOS. This simple web application allows developers to put their application/build/i18n/... properties in a single place and access them from wherever they like.
    Downloads: 4 This Week
    Last Update:
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  • 19
    XTemplate is a template engine for PHP that allows you to store your HTML code separately to your PHP code. It has many useful features yet code is short and highly optimized. The code is stored here but eveything else is on http://www.phpxtemplate.org/
    Downloads: 2 This Week
    Last Update:
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  • 20
    VDK Library is a framework in C++ that binds GTK+ GUI libraries, provided for both Linux and Windows has been a base library for VDKBuilder project. Recently the project has been divided and VDK continues development by his own.
    Downloads: 2 This Week
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  • 21
    AutoGen is designed to generate text files containing repetitive text with varied substitutions. Its goal is to simplify the maintenance of programs that contain large amounts of repetitious text, especially when needed in parallel tables.
    Downloads: 2 This Week
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  • 22
    CMakeScript is an extension to CMake, a cross-platform, open-source build system. CMakeScript adds Java Script as alternative script language to CMake's home-grown macro language. CMakeScript comes with a visual debugger for Java Script.
    Downloads: 2 This Week
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  • 23
    JDBC Tester is a software that allows to prove JDBC connections and SQL statements. The central idea is to have a software that is used for the design of statements and learning SQL with an graphical user interface simple to use.
    Downloads: 2 This Week
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  • 24
    Kanaputs is an interpreter for Java. With Kanaputs you can use Java in an interpreted way: no more compilation, each instruction is executed when you write it. It's extremely easy to use to make script files above Java. www.kanaputs.org
    Downloads: 2 This Week
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  • 25
    Confix is a build tool for source code packages, on top of GNU Automake. It inspects the package's source code, tracks inter package dependencies, propagates checks across package boundaries, and finally writes Automake input files for the maintainer.
    Downloads: 1 This Week
    Last Update:
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