Open Source Windows Office Suites
Sort By:
Office Suites for Windows
View 435 business solutionsBrowse free open source Office Suites and projects for Windows below. Use the toggles on the left to filter open source Office Suites by OS, license, language, programming language, and project status.
-
Red Hat Enterprise Linux (RHEL) on Microsoft Azure provides a secure, reliable, and flexible foundation for your cloud infrastructure. Red Hat Enterprise Linux on Microsoft Azure is ideal for enterprises seeking to enhance their cloud environment with seamless integration, consistent performance, and comprehensive support.
-
Track all your service data in one easy-to-use system, enabling your team to move faster and generate more revenue for your bottom line.
-
1
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 -
2
Group Office groupware and CRM
Take your office and CRM into the cloud!
Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform. -
3
IGSuite - Integrated Groupware Suite
IGSuite is a web-ajax-based Integrated Groupware Suite
IGSuite is a web-based Integrated Groupware Suite oriented to be a CRM solution. In the Suite you can find: IGWebMail, IGCalendar, IGContacts, IGArchive, IGWiki, IGTodo, IGChat, Projects, IGFax an HylaFax client, IGFileManager, IGMsg and many other. -
4
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. -
BackBox seamlessly integrates with network monitoring and NetOps platforms and automates configuration backups, restores, and change detection. BackBox also provides before and after config diffs for change management, and automated remediation of discovered network security issues.
-
5
OS Optiek is a open source customer relationship management (CRM) software application for opticians.
-
6
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. -
7
Freeplane
Application for Mind Mapping, Knowledge and Project Management
Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way. -
8
ONLYOFFICE
A Comprehensive Alternative to Office 365 for Business
ONLYOFFICE is a business service that resolves collaboration issues for both small medium-sized teams. Available in more than 20 languages ONLYOFFICE increases the overall performance of any team no matter how remote the members are located. The platform allows for optimization of your business processes from lead generation to order fulfillment. Combining a versatile set of tools ONLYOFFICE helps entities in any field from retail sales and to industrial engineering and banking. Broad access rights settings make ONLYOFFICE an asset to any executive striving for business excellence. -
9
Excel Writer
A standalone, portable Ada package for producing Excel spreadsheets
Excel_Out is a standalone, portable Ada package for writing Excel spreadsheets with basic formattings and formulas, easily and programmatically. Enables the automatic production of reports. No interaction needed with Excel or MS Office. More information on: http://excel-writer.sf.net Alire crate: https://alire.ada.dev/crates/excel_writer Mirror: https://github.com/zertovitch/excel-writer -
It protects your internal resources such as behind-the-firewall applications, teams, and devices.
-
10
Library for reading Corel WordPerfect(tm) documents.
-
11
Super PDF Editor Lite
Create, Edit, Delete, Organize , Convert, Export, Secure & Sign.
Super PDF Editor Lite is a robust and versatile PDF management software designed to streamline your document handling needs. Whether you're an individual, student, or professional, this software offers a comprehensive suite of tools to create, edit, and manage your PDFs with ease. Key Features: Extract Page: Easily extract specific pages from a PDF document. Split Page: Divide a single PDF page into multiple smaller pages. Rotate Page: Rotate pages to adjust their orientation. Merge Page: Combine multiple PDF pages into a single document. Reduce PDF Size: Optimize PDF file size by compressing images and removing unnecessary elements. Duplicate Page: Create duplicates of existing pages within a PDF. Move Page: Rearrange the order of pages within a PDF. Printing: Print PDF files directly from the software. Clone Page: Make identical copies of a page within the same document. Compress Page: Further, reduce the size of individual pages for efficient storage and sharing. -
12
TextFind2
TextFind2 is a program for searching in a TXT file
TextFind2 is a program for searching in a TXT file. More specifically, for searching in books, which contains numbers written as one hundred forty years (140) and such. It uses the MMX instructions to compare 8 chars at a time. It is also able to extract each line and you can save it as a TXT or RTF file. It is written in C++, with MFC, with VC++6, for Win32. It makes use of 64 bit int. A Linux version has been made in an effort to diversify the Linux ecosystem. I have tested it with Kubuntu 18.04, 20.10. It is 64 bit. I compiled with Qt Creator. The MFC parts have been replaced with Qt. Best of all, I provide the source code and ALSO THE EXECUTABLE FOR LINUX! -Tested with Kubuntu 18.04, 20.04, 22.04 -Tested with OpenSUSE Tumbleweed -Tested with Ubuntu 20.04 -Tested with Linux Mint 20.1 (XFCE interface) The Windows version has been released. -Tested on Win 7 64 bit, Win 10 64 bit. There is no Mac OSX version. -
13
PDF-utility
PDF Utility is a tool designed to efficiently manipulate PDF files
Digna PDF Utility is a tool designed to efficiently manipulate PDF documents. It offers a range of functionalities including adding page numbers, deleting unwanted pages, merging multiple PDFs into a single file, converting PDF to DOCX and vice versa, protect a PDF file with password and displaying PDF content. -
14
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. -
15
winPenPack
The portable software collection
winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable! -
16
ProjectLibre - Project Management
#1 alternative to Microsoft Project : Project Management & Gantt Chart
ProjectLibre is the #1 alternative to Microsoft Project. ProjectLibre has free desktop and subscription Cloud solution. The Cloud is team, multi-project with a central resource pool. You can request Cloud access at https://www.projectlibre.com/register/trial Note: the cloud is a subscrition for teams. The desktop is free. **Mac install: if you get an error: go to System Preferences : Security/Privacy and "Allow install" ProjectLibre has been downloaded over 7,000,000 times in 193 countries on all 7 continents. Taught at 1,700 Universities & translated in 31 languages. InfoWorld "Best of Open Source" award. Quick Start video https://www.youtube.com/watch?v=9xwR4JCBaIU&feature=youtu.be We have over 250,000 community project management members http://www.projectlibre.com ProjectLibre is compatible with MS Project Our team has been the key innovators in the PM industry. Consider donating https://www.gofundme.com/f/projectlibre-free-open-source-development -
17
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. -
18
Notes Pro V1.1.5.3 (18.03.2024)
Notes Pro V1.1.5.3 (18.03.2024)
The Notes Pro program, developed on December 27, 2022, serves as a versatile notepad with additional features. It includes a built-in calculator, word search functionality, and a keyword database. Users can easily add and save keywords for future reference directly from the text box. The program supports various file formats like txt, rtf, and odt. Additionally, it offers customizable UI color schemes and facilitates text comparison for unique data. Other features include a bottom information panel displaying line letter count, mouse cursor position, and current date. Users can personalize the notebook with options to adjust font, text color, and alignment. Developed in Lazarus 2.2.6. -
19
This program is written for the baguette shop, to help calculating the price of manufactured products, ordering and maintaining the client base. Now it works only localized Russian version. Программа написана для использования багетными мастерскими, салонами и их посредниками. Поддерживается пока только русский язык.
-
20
webTareas
A WebBased Collaboration OpenSource Tool
-Project Management -Bug Tracking -Forum -Content Management -Timesheet-Meeting Arrangement -Simple Form Design -Client Collaboration -Simple Approval Procedure -Contact Management -Invoices & Payments -Instant Messaging -Online Meeting -
21
Excel Comparator
This tool allows the comparison of two excel sheets
The Sheet Comparator is a tool intended to highlight the differences between two excel files, or two worksheets, or even tables within the same spreadsheet. It differs itself from other excel comparators by the being able to treat database like tables, and also because it can annotate the differences directly on the spreadsheet comments. Using the tool's diff table, it allows the user to quickly scroll into the differences. For merging updates made in two different tables, the updates done on the diff table can be propagated directly to the source table. -
22
Apache OpenOffice
The free and Open Source productivity suite
Free alternative for Office productivity tools: Apache OpenOffice - formerly known as OpenOffice.org - is an open-source office productivity software suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications. OpenOffice is available in many languages, works on all common computers, stores data in ODF - the international open standard format - and is able to read and write files in other formats, included the format used by the most common office suite packages. OpenOffice is also able to export files in PDF format. OpenOffice has supported extensions, in a similar manner to Mozilla Firefox, making easy to add new functionality to an existing OpenOffice installation. -
23
Java Calculator
Supports PEDMAS order of computation and Reverse Polish Notation Gener
Generates the Reverse Polish Notation (Postfix) expression form of an arithmetic expression in (Infix) form. Performs the computation of the arithmetic expression if Integers or Floating point numbers are used in the expression. Supports PEDMAS order of computation, thus, all the operators of Exponentiation, Division, Multiplication, Addition and Subtraction, as well as using Parentheses for grouping and prioritization is all handled. -
24
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). -
25
PDFTK Builder Enhanced
Enhanced version of the PDFTK Builder GUI for PDF Toolkit on Windows
Free and open source GUI application for manipulating PDF files using the Windows version of PDF Toolkit (PDFtk) - split, merge, stamp, number pages, rotate, metadata, bookmarks, attachments, etc. This project is a fork of PDFTK Builder by Angus Johnson that enhances the user interface, adds functions, and enables use of later versions of PDFtk. OS: Windows. Author: David King. License: GPLv3.