Open Source Software Development Software

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

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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  • 1
    Dev-C++

    Dev-C++

    A free, portable, fast and simple C/C++ IDE

    A new and improved fork of Bloodshed Dev-C++
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    Downloads: 74,250 This Week
    Last Update:
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  • 2
    TortoiseSVN

    TortoiseSVN

    An Apache SVN client, right where you need it most

    TortoiseSVN is a Subversion (SVN) client, implemented as a windows shell extension. Which means it's available right where you need it: in the Windows file explorer. It's intuitive and easy to use, since it doesn't require the Subversion command line client to run. Simply the coolest Interface to (Sub)Version Control!
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    Downloads: 42,346 This Week
    Last Update:
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  • 3
    WinMerge

    WinMerge

    Windows visual diff and merge for files and directories

    WinMerge is a Windows tool for visual difference display and merging, for both files and directories. It is highly useful for determining what has changed between file versions, and then merging those changes. WinMerge has Unicode support, Flexible syntax coloring editor, Visual SourceSafe integration, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages.
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    Downloads: 39,760 This Week
    Last Update:
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  • 4
    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: 12,975 This Week
    Last Update:
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  • Get the most trusted enterprise browser Icon
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    Advanced built-in security helps IT prevent breaches before they happen

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  • 5
    x64dbg

    x64dbg

    An open-source x64/x32 debugger for windows.

    An open-source x64/x32 debugger for windows. Development is done on GitHub (https://github.com/x64dbg/x64dbg). Daily snapshots are uploaded here, snapshots for every commit can be found on http://releases.x64dbg.com
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    Downloads: 10,126 This Week
    Last Update:
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  • 6
    NSIS: Nullsoft Scriptable Install System

    NSIS: Nullsoft Scriptable Install System

    Windows installer development tool

    NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. Being a user's first experience with your product, a stable and reliable installer is an important component of succesful software. With NSIS you can create such installers that are capable of doing everything that is needed to setup your software. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components, install or update shared components and more.
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    Downloads: 7,853 This Week
    Last Update:
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  • 7
    Dev-C++ for Windows 10/8/7

    Dev-C++ for Windows 10/8/7

    A fast, portable, simple, and free C/C++ IDE

    Coding Boot Camp Learning to program? Check out the free boot camp from Embarcadero which runs from Monday, August 22nd to Friday, August 26th. https://learndelphi.org/boot-camp-2022/ Embarcadero Dev-C++ is a new and improved fork (sponsored by Embarcadero) of Bloodshed Dev-C++ and Orwell Dev-C++. It is a full-featured Integrated Development Environment (IDE) and code editor for the C/C++ programming language. It uses Mingw port of GCC (GNU Compiler Collection) as its compiler. Embarcadero Dev-C++ can also be used in combination with Cygwin or any other GCC based compiler. Embarcadero Dev-C++ is built using the latest version of Embarcadero Delphi. Embarcadero Dev-C++ has a low memory footprint because it is a native Windows application and does not use Electron. Optimized for parallel compilation on modern multi-core machines. GitHub Project: https://github.com/Embarcadero/Dev-Cpp/ Sponsored by Embarcadero: https://www.embarcadero.com/free-tools/dev-cpp
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    Downloads: 7,787 This Week
    Last Update:
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  • 8
    Free Pascal Compiler

    Free Pascal Compiler

    Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler

    A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, Android, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.
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    Downloads: 3,567 This Week
    Last Update:
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  • 9
    AkelPad
    A simple notepad-like text editor with many features. It is designed to be a small and fast.
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    Downloads: 2,382 This Week
    Last Update:
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  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

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  • 10
    OmegaT - multiplatform CAT tool

    OmegaT - multiplatform CAT tool

    The free computer aided translation (CAT) tool for professionals

    OmegaT is a free and open source multiplatform Computer Assisted Translation tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects.
    Leader badge
    Downloads: 1,889 This Week
    Last Update:
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  • 11
    Artistic Style
    A Free, Fast, and Small Automatic Formatter for C, C++, C++/CLI, Objective-C, C#, and Java Source Code. Website: http://astyle.sourceforge.net/ Git Repository: https://gitlab.com/saalen/astyle/
    Leader badge
    Downloads: 1,080 This Week
    Last Update:
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  • 12
    GUI Turbo Assembler (TASM)

    GUI Turbo Assembler (TASM)

    An essential 32-64bit localized IDE for Assembly Language with Debuger

    GUI Turbo Assembler is an essential IDE for assembly language programming. It includes Borland Turbo Assembler (TASM), Turbo Linker, Turbo Debugger and DOSBox for writing both 16-bit and 32-bit programs in assembly language. GUI Turbo Assembler provides a rich set of features, encompassing fundamental file operations and advanced capabilities such as line numbering, syntax highlighting, code folding, docking, and theme personalization. The interface is highly adaptable, empowering users to modify the environment and configure default settings for Borland Turbo Assembler and Turbo Linker. GUI Turbo Assembler supports localization in seven different languages and enables users to create and utilize their own localized files. Additionally, users have the opportunity to contribute those in the GitHub project. It also packs a terminal which allows user to take complete control of their programming. Additionally, users have the opportunity to contribute those in the GitHub projec
    Leader badge
    Downloads: 1,359 This Week
    Last Update:
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  • 13
    jEdit

    jEdit

    jEdit is a programmer's text editor written in Java.

    jEdit is a programmer's text editor written in Java. It uses the Swing toolkit for the GUI and can be configured as a rather powerful IDE through the use of its plugin architecture.
    Leader badge
    Downloads: 709 This Week
    Last Update:
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  • 14
    TestLink

    TestLink

    Test & requirements management

    TestLink is a web based Test Management tool. The application provides Test specification, Test plans and execution, Reporting, Requirements specification and collaborate with well-known bug trackers. Repository: https://github.com/TestLinkOpenSourceTRMS
    Leader badge
    Downloads: 677 This Week
    Last Update:
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  • 15
    SharpDevelop

    SharpDevelop

    A free IDE for C#, VB.NET, & Boo projects on Microsoft's .NET platform

    SharpDevelop is the open-source IDE for the .NET platform. Write applications in languages including C#, VB.NET, F#, IronPython and IronRuby, as well as target rich and reach: Windows Forms or WPF, as well as ASP.NET MVC and WCF. It starts from USB drives, supports read-only projects, comes with integrated unit and performance testing tools, Git, NuGet and a lot more features that make you productive as a developer.
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    Downloads: 520 This Week
    Last Update:
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  • 16
    ClipAngel

    ClipAngel

    Clipboard history capture and paste tool

    This program belongs to class "Clipboard Manager". It captures many clipboard objects and allows user to select and paste one in any program. Inspired by analogs: ClipDiary, Ditto, AceText. Main priorities: usability, compatibility, reliability. Requires .Net Framework 4.52+ (Windows Vista+/Server 2008+)
    Leader badge
    Downloads: 475 This Week
    Last Update:
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  • 17
    Git Extensions

    Git Extensions

    Git Extensions is a standalone UI tool for managing git repositories.

    Git Extensions is now hosted on GitHub ============================== Please update your bookmarks and use the links below for downloading and reporting issues. * Download latest version (Windows only): https://github.com/gitextensions/gitextensions/releases/latest * Download latest cross-platform version (Windows and Linux/Mac): https://github.com/gitextensions/gitextensions/releases/v2.51.05 * Issue tracker: http://github.com/gitextensions/gitextensions/issues * Source code: http://github.com/gitextensions/gitextensions * Online manual: https://git-extensions-documentation.readthedocs.org/en/latest/
    Leader badge
    Downloads: 377 This Week
    Last Update:
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  • 18
    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.
    Leader badge
    Downloads: 416 This Week
    Last Update:
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  • 19
    BASIC-256
    BASIC-256 is an easy to use version of BASIC designed to teach anybody how to program. A built-in graphics mode lets them draw pictures on screen in minutes, and a set of easy-to-follow tutorials introduce programming concepts through fun exercises, 2021-08-05 - Ubuntu and other LINUX users can install the latest version with snap: sudo snap --beta basic256
    Leader badge
    Downloads: 310 This Week
    Last Update:
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  • 20
    wxWidgets

    wxWidgets

    A cross-platform GUI library

    wxWidgets is a C++ library that lets developers create applications for Windows, Mac OS X, Linux and other platforms with a single code base. It has popular language bindings for Python, Perl, Ruby and many other languages, and unlike other cross-platform toolkits, wxWidgets gives applications a truly native look and feel because it uses the platform's native API rather than emulating the GUI. It's also extensive, free, open-source and mature.
    Leader badge
    Downloads: 267 This Week
    Last Update:
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  • 21
    lcd-image-converter

    lcd-image-converter

    Tool to create bitmaps and fonts for embedded applications.

    This program allows you to create bitmaps and fonts, and transform them to "C" source format for embedded applications. The transformation of the images to the source code is made by using templates. Therefore, by modifying the templates, you can change the format of the output within certain limits.
    Leader badge
    Downloads: 492 This Week
    Last Update:
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  • 22
    Eric Integrated Development Environment

    Eric Integrated Development Environment

    Python Development Environment with all batteries included

    Eric is a Python IDE written using PyQt and QScintilla. It provides various features such as any number of open editors, an integrated (remote) debugger, project management facilities, unit test, refactoring and much more.
    Leader badge
    Downloads: 222 This Week
    Last Update:
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  • 23
    OpenDCL
    OpenDCL is for AutoLISP programmers who want to replace AutoCAD's limited DCL (Dialog Control Language) user interface language with a rich set of modern Windows user interface elements.
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    Downloads: 203 This Week
    Last Update:
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  • 24
    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: 245 This Week
    Last Update:
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  • 25
    MiRoom

    MiRoom

    Localized MIUI ROMs

    MIUI modifications with multi language based on clean chineese ROMs by MiRoom Portal Project. Dev blog: https://t.me/XiaomiSir
    Leader badge
    Downloads: 172 This Week
    Last Update:
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