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

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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: 234,095 This Week
    Last Update:
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  • 2
    Scribus

    Scribus

    Powerful desktop publishing software

    Scribus is an Open Source program that brings professional page layout to Linux, BSD UNIX, Solaris, OpenIndiana, GNU/Hurd, Mac OS X, OS/2 Warp 4, eComStation, and Windows desktops with a combination of press-ready output and new approaches to page design. Underneath a modern and user-friendly interface, Scribus supports professional publishing features, such as color separations, CMYK and spot colors, ICC color management, and versatile PDF creation.
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    Downloads: 15,795 This Week
    Last Update:
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  • 3
    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: 961 This Week
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  • 4
    WordPerfect Document importer
    Library for reading Corel WordPerfect(tm) documents.
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    Downloads: 216 This Week
    Last Update:
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  • 5
    OxygenOffice Professional(OOOP, O2OP)is an enhanced version of free OpenOffice.org what is a multi-platform office productivity suite.OxygenOffice Professional contains more extras like templates, cliparts, samples, fonts and VBA support. Get 3.2.1
    Downloads: 29 This Week
    Last Update:
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  • 6
    The AbiWord word processor is a full-featured cross-platform word processor.
    Downloads: 56 This Week
    Last Update:
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  • 7
    ONLYOFFICE Desktop Editors

    ONLYOFFICE Desktop Editors

    Free office suite for working with text, spreadsheets and presentation

    ONLYOFFICE Desktop Editors is an open source and 100% free office suite, combining text, spreadsheet and presentation editors for working on documents offline. The application features all types of formatting options and allows users to edit complex documents. Collaboration features such as reviewing and real-time co-editing are available as well. The editors offer 100% compatibility with MS Office and support other popular document formats including OpenDocument. The application also allows connecting third-party plugins, making it easy for developers to write their own extensions and add new features to the editors. The application works across all popular platforms, including Windows (both 32-bit and 64-bit systems), Debian, Ubuntu and derivatives, Red Hat and derivatives, Mac OS 10.10 or higher.
    Downloads: 50 This Week
    Last Update:
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  • 8

    Bulgarian language support

    Spell check, grammar check and hyphenation for Bulgarian language

    The goal of this project is to provide spell check, grammar check and hyphenation for Bulgarian language for Open Source products such as OpenOffice.org, LibreOffice, TeX, aspell, ispell, hunspell etc.
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    Downloads: 32 This Week
    Last Update:
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  • 9
    AikSaurus is a GPL'd thesaurus library for C++. It returns many results, separated by part-of-speech information. The library itself has no particular GUI, and it can be used with any interface you'd like to create for it.
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    Downloads: 22 This Week
    Last Update:
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    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • 10
    PDF2Text Pilot is open-source freeware text from PDF extractor with batch processing feature. Developers can use the code of the program as an example of solving text from PDF extracting task.
    Downloads: 8 This Week
    Last Update:
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  • 11
    MDictionary - mobile dictionary program
    Simple plugin based dictionary program for Symbian cellular phones.
    Downloads: 1 This Week
    Last Update:
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  • 12
    Automatic dictionary for professional translators
    Downloads: 5 This Week
    Last Update:
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  • 13

    GenerateSignatureFromLDAP

    Automatically generate Outlook signatures based on templates and LDAP.

    Small signature generator for Microsoft Outlook, ideal for use in logon scripts. Outlook signature files are generated based on templates that pull data from Active Directory using LDAP. Also includes a wizard to generate the templates based on your existing Outlook signature(s), without modifying anything on the Exchange Server. Can be run in a logon (or logoff) script to pull Active Directory data and merge it with design template(s) in order to provide unified Outlook signature layout across your organisation.
    Downloads: 2 This Week
    Last Update:
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  • 14
    RetroMessenger is an Instant Messenger with a minimal GUI interface to the libretroshare library, in order to have a standalone Instant Chat Messenger. It will be developed using wxwidgets (additional: XUL, Qt) GUI toolkit. http://retromessenger.sf.net
    Downloads: 2 This Week
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  • 15
    AutomateIT! is called to automate the integration of OpenOffice with office software. MS Office objects are being replaced with OpenOffice analogues and after that any application that exports data to Microsoft Office exports them to OpenOffice instead.
    Downloads: 1 This Week
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  • 16
    Media Sentry stands for Multimedia Alarm Clock for Windows. It exploits Windows Media Player for playback, has low power consumption despite of OpenGL GUI.
    Downloads: 1 This Week
    Last Update:
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  • 17
    EasyOffice is a complete, programmable office application with word processing, database and spreadsheet. It runs so far only under Windows - porting should be nearly impossible as it heavily depends on commercial ActiveX controls.
    Downloads: 1 This Week
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  • 18
    Newpad is simple text editor based on the MS Windows Edit control. It was created to study programming technique with Edit control. It is perfectly for beginners and useful for gurus! Test it and send me your opinion! http://newpad2009.narod.ru
    Downloads: 1 This Week
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  • 19
    XLW is a C++ wrapper for the Excel C API described in the Microsoft Excel 97 Developer's Kit. It makes xll programming automatic. Its powerful interface will empower your C, C# or C++ numerics by embedding them in Excel just like the built-in functions.
    Downloads: 1 This Week
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  • 20
    XSL-FO Formatting markup WYSIWYG editor & PDF tree BookMark. XML document which is most often used as PDFs or RTF generator. It can read and edit 95% from Apache fop sample. Export to fo,pdf,rtf,tif fax, page, Import fo,html,page,odt OpenOffice 1-2
    Downloads: 1 This Week
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  • 21
    ISlice is Excel formula scripting framework. It allows to link worksheet cells by buildeing descriptive data models in iSlice Editor - without use of incell formula typing.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Avian Freeware Suite (AFS) provides two things: Developers with libraries for Java Swing Widgets, XML handling, Fortran95 and Pascal; End users (Medical students, doctors, scientists) with productivity tools they can use (quizzes, XML databasing & PDF)
    Downloads: 0 This Week
    Last Update:
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  • 23
    Tools for Vietnamese Language
    Downloads: 0 This Week
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  • 24
    CanoScan 5200F driver for Sane Backend
    Downloads: 0 This Week
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  • 25
    Clevit

    Clevit

    Clevit - The only smart text editor in this galaxy!

    Clevit is a text editor written on C++ and Qt Framework. It is a text editor closer to an office. With many features that make everything more practical and easy to use. It is customizable and every update becomes better and more practical. Please check our GitHub Repository to verify better all code, check any detail about the features and more things.
    Downloads: 0 This Week
    Last Update:
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