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

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

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  • 1
    PortableApps.com

    PortableApps.com

    Portable software for cloud, local, and portable USB drives

    PortableApps.com is the world's most popular portable software solution allowing you to take your favorite software with you. A fully open source and free platform, it works from any synced cloud folder (DropBox, Google Drive, Box, etc), from your local PC on an internal or external drive, or on any portable storage device (USB flash drive, memory card, portable SSD or hard drive, etc) moved between PCs. With millions of users all over the world, nearly 500 real open source and freeware apps in our main app store (no shovelware), compatible commercial software, and partners in hardware industry, PortableApps.com is the most complete solution for life on the go.
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    Downloads: 391,207 This Week
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  • 2
    KeePass

    KeePass

    A lightweight and easy-to-use password manager

    KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.
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    Downloads: 206,030 This Week
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  • 3
    PeaZip

    PeaZip

    Free Zip software and Rar extractor

    PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.
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    Downloads: 20,159 This Week
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  • 4
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a free, open-source, peer-to-peer (P2P) desktop LAN chat and office messenger built with end-to-end encryption (Rijndael Algorithm, AES). Designed for local area networks, this free cross-platform messaging app enables instant messaging, group chat, and secure file sharing across your office, home, or intranet—completely serverless and offline. Whether you need a private LAN chat application for your team or a secure office communicator over VPN, BeeBEEP operates without central servers or cloud dependencies. It is a free, serverless chat solution for Windows, Linux, and macOS where privacy, data security, and local network communication are essential.
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    Downloads: 2,907 This Week
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  • Veeam Data Platform v13.1 - Get Your Free Trial Icon
    Veeam Data Platform v13.1 - Get Your Free Trial

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  • 5
    converseen

    converseen

    A batch image converter and resizer

    Converseen is a free cross-platform batch image processor for Windows, Linux, macOS, FreeBSD, and other operating systems. It allows you to convert, resize, rotate, and flip an infinite number of images with a single mouse click. Moreover, Converseen can convert an entire PDF document into a set of images with your preferred characteristics. You can choose from over 100+ formats, set the size, resolution, and the filename. Thanks to ImageMagick, the powerful image manipulation library, Converseen can handle more than 100 image formats, including DPX, EXR, GIF, JPEG, JPEG-2000, PNG, SVG, TIFF, WebP, HEIC/HEIF, and many others. Converseen is designed to be user-friendly, fast, practical, and best of all, it’s available for free!
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    Downloads: 1,485 This Week
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  • 6
    Avogadro

    Avogadro

    An intuitive molecular editor and visualization tool

    Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science and related areas. It offers a flexible rendering framework and a powerful plugin architecture.
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    Downloads: 1,029 This Week
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  • 7
    LibreOffice

    LibreOffice

    A free and powerful office suite

    LibreOffice is a free and powerful office suite, and a successor to OpenOffice. Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. LibreOffice is Free and Open Source Software (FOSS) – development is open to new talent and new ideas, and our software is tested and used daily by a large and devoted user community. Your documents will look professional and clean, regardless of their purpose: a letter, a master thesis, a brochure, financial reports, marketing presentations, technical drawings and diagrams. LibreOffice makes your work look great while you focus on the content, thanks to its powerful styles system and structuring tools. LibreOffice is compatible with a wide range of document formats such as Microsoft® Word (.doc, .docx), Excel (.xls, .xlsx), PowerPoint (.ppt, .pptx) and Publisher. But LibreOffice goes much further with its native support for a modern and open standard (OpenDocument Format).
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    Downloads: 884 This Week
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  • 8
    FET- Free timetabling software
    FET is free timetabling software for schools, high-schools and universities. Scheduling is done automatically. Please visit the project web site https://lalescu.ro/liviu/fet/ to be sure you always have the latest version
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    Downloads: 248 This Week
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  • 9
    Money Manager Ex

    Money Manager Ex

    Is an easy to use, money management application.

    Money Manager Ex (mmex) is an easy to use, money management application. It is a personal finance manager. It can be used to track your net worth, income vs expenses etc. It runs on Windows, Linux and Mac OSX.
    Downloads: 43 This Week
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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.

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  • 10
    OSHMI - Open Substation HMI

    OSHMI - Open Substation HMI

    SCADA HMI for substations, IoT and automation applications

    Now with IEC61850 support! This project combines existing open source projects and tools to create a very capable, mobile and cloud-friendly HMI system that can rival proprietary software. This approach makes it possible to join forces of each project (Chromium, SVG/HTML5, PHP, Lua, SQLite, Inkscape, Lib61850, OpenDNP3, Nginx, Vega, PostgreSQL, Grafana,…) to achieve a great set of open, evergreen, modular and customizable tools for building great HMIs for automation projects. This is not a toy project! It's been actually used in dozens of substations up to 230kV level and also in control centers with configurations up to 70.000 tags. Feel free to ask questions in the "Discussion" section. Help sponsoring OSHMI here https://github.com/sponsors/riclolsen. >>> Have a look also at my new SCADA project here: https://github.com/riclolsen/json-scada
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    Downloads: 24 This Week
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  • 11
    Linear Program Solver

    Linear Program Solver

    Solve linear programming problems

    Linear Program Solver (LiPS) is an optimization package oriented on solving linear, integer and goal programming problems. The main features of LiPS are: ● LiPS is based on the efficient implementation of the modified simplex method that solves large scale problems. ● LiPS provides not just an answer, but a detailed solution process as a sequence of simplex tables, so you can use it for studying/teaching linear programming. ● LiPS gives sensitivity analysis procedures, which allow us to study the behaviour of the model when you change its parameters, including: analysis of changes in the right sides of constraints, analysis of changes in the coefficients of the objective function, analysis of changes in the column/row of the technology matrix. Such information may be extremely useful for the practical application of LP Models. ● LiPS provides methods of goal programming, including lexicographic and weighted GP methods, which are oriented on multi-objective optimisation.
    Downloads: 15 This Week
    Last Update:
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  • 12
    KMyMoney
    This is a very old site. Make sure to visit the project page at https://kmymoney.org to get latest releases. This site is unmaintained and only kept for historical reasons.
    Downloads: 20 This Week
    Last Update:
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  • 13
    NOTE - All project resources are now hosted at http://qgis.org. Quantum GIS (QGIS) is a Geographic Information System (GIS). QGIS supports common vector and raster formats, including Shapefiles, PostGIS, GRASS, GeoTiff, TIFF, JPG, and many more.
    Downloads: 7 This Week
    Last Update:
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  • 14
    LabLux is a software for making projects of scenic ilumination. It was develop by the Laboratory of Ilumination (or 'Laboratório de Iluminação' in portuguese) and students, both from UNICAMP
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    Downloads: 2 This Week
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  • 15
    This project is the development of a Selection Tool primarely used in ImageJ and possibly in GIMP. It is based in LiveWire and SNAKES methods and will firstly be used in IVUS (intravascular ultra sound) images.
    Downloads: 2 This Week
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  • 16
    Skrooge
    Skrooge a personal finance management tool for KDE4, is now part of KDE extragear. Information here is obsolete, please go to http://skrooge.org
    Downloads: 1 This Week
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  • 17
    A client-server project management tool with the front end based on QT KDE libraries and using firebird database
    Downloads: 1 This Week
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  • 18
    Association Subscribers Manager
    Association Subscribers Manager allow any association you might also call it "clubs" (like sports clubs or art clubs) to manage easily a large number of subscribers. It runs on GNU/Linux, Mac OS X and windows systems thanks to the Qt 4 framework.
    Downloads: 0 This Week
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  • 19
    Baculator is a Reverse Polish Notation (RPN) calculator program with an infinite scrollable stack and support for most common mathematical operations as well as some more esoteric operations. Available for Unix/Gtk+, Mac OS X, and MS Windows.
    Downloads: 0 This Week
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  • 20
    This project has the purpose to generate the BulkGen.txt file used to serialize objects for html client used by J. D. Edwards Oneworld software from packages already created on the system.
    Downloads: 0 This Week
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  • 21

    ControlLab

    Simulator for dynamical systems

    Simulator for dynamical systems Performs the simulation of systems built in interface, allowing the extraction of its transfer function as well as the graphs of its behavior. Initial Development: Maycon Gasoto Oriented by: Rogério Bastos Quirino Depends: wxWidgets mathomatic odeint
    Downloads: 0 This Week
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  • 22
    Cotações para MacOS
    Cotação em tempo real comparado o Real com o Euro, Dólar e Libra para MacOS. O aplicativo cria uma barra horizontal que fica por cima de tudo e pode ser alterada de local.
    Downloads: 0 This Week
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  • 23
    Operation with currency values don't work fine with float or double types. This C++ library implements operators in a decimal fixed point (x100) package. This package use only integer type internally multiplied by 100.
    Downloads: 0 This Week
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  • 24

    Cybera.NET

    This is an attempt to port the famous Cybera software to .NET.

    Cyber.NET is an attempt to port the famous Cybera Cyber Cafe software to the Microsoft .NET platform. Cybera is written in Visual Basic 6 and needs to be ported to Visual Basic .NET to get ready for the future. The first step is to port the Cybera client to .NET. In the second step the Cybera server will be ported. There will be no new features in the first two steps. If the ports are stable, feature enhancements can taken into account. Help is appreciated as for every open source project :-)
    Downloads: 0 This Week
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  • 25
    This is a Esperanto dictionary. Simple and portable. Its Português/Esperanto - Esperanto/Português If you have some other languages and want it inside the dictionary, send me :)
    Downloads: 0 This Week
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