LibreOffice is a free, open-source office suite that includes applications for word processing, spreadsheets, presentations, and more. It provides a powerful alternative to Microsoft Office with full support for multiple file formats.
Apache OpenOffice is an open-source office suite that includes tools for word processing, spreadsheets, presentations, and databases. It offers a free alternative to proprietary office software with support for standard file formats.
ONLYOFFICE is an open-source office suite that provides editors for documents, spreadsheets, and presentations. It supports collaborative editing, compatibility with Microsoft Office formats, and can be used on multiple platforms.
Collabora Online is an open-source online office suite based on LibreOffice, designed for real-time collaborative editing. It allows multiple users to work on documents, spreadsheets, and presentations through a web browser while maintaining compatibility with standard file formats.
Calligra Suite is an open-source office and graphics suite that includes applications for word processing, spreadsheets, presentations, and vector graphics. It is designed primarily for Linux, with some support for Windows and macOS, offering a flexible alternative to proprietary office software.