Browse 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.
IGSuite is a web-ajax-based Integrated Groupware Suite
Portable software for cloud, local, and portable USB drives
The Free / Libre / Open Source Web App with the most built-in features
Take your office and CRM into the cloud!
Powerful desktop publishing software
Application for Mind Mapping, Knowledge and Project Management
A Comprehensive Alternative to Office 365 for Business
A standalone, portable Ada package for producing Excel spreadsheets
Create, Edit, Delete, Organize , Convert, Export, Secure & Sign.
TextFind2 is a program for searching in a TXT file
PDF Utility is a tool designed to efficiently manipulate PDF files
Free office suite for working with text, spreadsheets and presentation
The portable software collection
#1 alternative to Microsoft Project : Project Management & Gantt Chart
Spell check, grammar check and hyphenation for Bulgarian language
Notes Pro V1.1.5.3 (18.03.2024)
A WebBased Collaboration OpenSource Tool
This tool allows the comparison of two excel sheets
The free and Open Source productivity suite
Supports PEDMAS order of computation and Reverse Polish Notation Gener
A free and powerful office suite
Enhanced version of the PDFTK Builder GUI for PDF Toolkit on Windows