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

    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
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 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
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  • 4
    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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  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • 5
    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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  • 6
    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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  • 7
    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.
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    Downloads: 1,889 This Week
    Last Update:
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  • 8
    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/
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    Downloads: 1,080 This Week
    Last Update:
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  • 9
    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
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    Downloads: 1,359 This Week
    Last Update:
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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    Downloads: 465 This Week
    Last Update:
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  • 11
    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.
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    Downloads: 245 This Week
    Last Update:
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  • 12
    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
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    Downloads: 172 This Week
    Last Update:
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  • 13
    Tiki Wiki CMS Groupware

    Tiki Wiki CMS Groupware

    The Free / Libre / Open Source Web App with the most built-in features

    "Software made the wiki way" A full-featured, web-based, tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. Tiki is the Open Source Web Application with the most built-in features. Highly configurable and modular, all features are optional and administered via a web-based interface. Major features include a wiki engine, news articles, discussion forums, newsletters, blogs, file galleries, bug and issue trackers (form generator), polls/surveys and quizzes, banner management system, calendar, maps, mobile , RSS feeds, category system, tags, an advanced themeing engine, spreadsheet, drawings, inter-user messaging, menus, advanced permission system for users and groups, search engine, external authentication, etc. Security reports: https://security.tiki.org
    Leader badge
    Downloads: 117 This Week
    Last Update:
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  • 14
    wxMEdit

    wxMEdit

    wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit

    •Added automatically checking for updates •Added bookmark support •Added right-click context menu for each tab •Added purging histories support •Added selecting a line by triple click •Added FreeBASIC syntax file •Added an option to place configuration files into %APPDATA% directory under Windows •Improved support for Find/Replace •Improved Mac OS X support •Improved system integration under Windows •Improved encoding detection result •Improved Hex editing support •Added more choices for data format copying/pasting in Hex Area •Added new feature: Paste with Overwriting in Hex Area •Improved encoding support --Added grouping of encodings --Added new encodings: ISO-8859-16,CP1258,KOI8-R/U,GB18030,CP850,CP852,CP855,CP866,CP437 for ASCII-Art •Redesigned dialogs with Code::Blocks wxSmith •Updated translations --Added Spanish,Russian,German,Polish translation --Updated Chinese and Japanese translations •Other fixes and changes
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    Downloads: 220 This Week
    Last Update:
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  • 15
    NClass
    NClass is a free tool to easily create UML class diagrams with full C# and Java language support.
    Leader badge
    Downloads: 91 This Week
    Last Update:
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  • 16
    Pootle, Virtaal & Translate Toolkit

    Pootle, Virtaal & Translate Toolkit

    Localization tools built by localizers for localizers

    Tools for localization: - Pootle: web based translation management system. - Virtaal: Computer Aided Translation (CAT) tool. - Translate Toolkit: QA, format conversion and support (PO, Java .properties, OpenOffice, Mozilla, XLIFF, TMX, TBX, CSV, Qt .ts).
    Leader badge
    Downloads: 121 This Week
    Last Update:
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  • 17
    Bluefish
    Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
    Downloads: 91 This Week
    Last Update:
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  • 18
    Notepad--

    Notepad--

    Notepad for Windows, Linux, and Mac platforms

    Notepad-- a text editor written in C++ that works seamlessly across Windows, Linux, and Mac platforms. Our aim is to eventually surpass Notepad++, with a particular focus on the MacOS and Chinese UOS operating system. Unlike Notepad++, our advantage lies in our cross-platform compatibility and support for various OSes. If you are using MacOS and want to find a useful text editor, please try Ndd, it won't disappoint you. My Github homepage is: https://github.com/cxasm/notepad--
    Leader badge
    Downloads: 226 This Week
    Last Update:
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  • 19
    TortoiseCVS is an extension for Microsoft Windows Explorer that makes using CVS fun and easy. Features include: coloured icons, tight integration with SSH, and context-menu interactivity.
    Downloads: 85 This Week
    Last Update:
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  • 20
    MadEdit is a Cross-Platform Text/Hex Editor written in C++&wxWidgets. MadEdit can edit files in Text/Column/Hex modes, and supports many useful functions e.g. SyntaxHighlightings, WordWrap, Encodings(UTF8/16/32,Big5,GBK...) and WordCount.
    Downloads: 55 This Week
    Last Update:
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  • 21
    ZenTao project management software

    ZenTao project management software

    Open source Scrum tool and an ALM solution

    ZenTao is an open source Scrum tool for application development projects with features including Backlog Management✓ Sprint and task✓ bug tracking✓ Scrum✓ Waterfall✓ Roadmap✓ Burndown✓ Kanban✓ SaaS✓ Self Hosting✓
    Downloads: 72 This Week
    Last Update:
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  • 22
    SuiteCRM translations

    SuiteCRM translations

    SuiteCRM translations - language packs

    SuiteCRM - archive for SuiteCRM language pack. Note: the latest language packs are only available directly from Crowdin project at https://crowdin.com/project/suitecrmtranslations FAQ: Install a new language - https://docs.suitecrm.com/admin/installation-guide/languages/install-a-new-language/
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    Downloads: 176 This Week
    Last Update:
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  • 23
    Gambas
    A Graphical Developement Environment based on a Basic Interpreter with object extensions.
    Downloads: 32 This Week
    Last Update:
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  • 24
    PHP File Manager

    PHP File Manager

    phpFileManager a complete filesystem management tool on a single file.

    phpFileManager is a complete filesystem management tool on a single file. A server administration tool using PHP, meant for rapid file access, and also to verify the server configuration and security. The script can be renamed and deployed on an unique known url, and offers password protection.. All dependencies, like images, js and css files, are included inside the same file, so that the script can run even on offline devices, like a local Raspberry Pi, or ESP32 microcontroller. The size of the script is bellow 1Mb, and i want to make it even smaller. To conclude, this script is also a repository of several hand made functions, organized in sections, meant for learning PHP and explore all PHP capabilities. You can learn, copy and use them on your own projects. Help the project with a donation: Will allow the view of two phpFileManager from diferent URLs on the same screen. Like MC (Midnight Commander) does. https://www.dulldusk.com/product/donation-for-phpfilemanager/
    Downloads: 33 This Week
    Last Update:
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  • 25
    JTrac

    JTrac

    Easy to set up bug tracking with Java

    JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. Features include a customizable workflow, field level permissions, e-mail integration, file attachments, a detailed history view and changeable colors to fit a particular CI/CD. After a long hiatus, development has resumed with version 2.2.0 in December 2021, 2.2.1 in February 2022, 2.3.0 in February 2023, 2.3.1 in May 2023, 2.3.2 in July 2023 and 2.3.3 in June 2024. See https://sourceforge.net/p/j-trac/wiki/Home/ for release notes and documentation, and download it at https://sourceforge.net/projects/j-trac/files/jtrac/. Feedback is welcome. JTrac continues to be improved, and has recently been awarded the SourceForge "Open Source Excellence" badge.
    Downloads: 30 This Week
    Last Update:
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