The best free alternative to Microsoft 365 Copilot is LibreOffice, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Microsoft 365 Copilot and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Microsoft 365 Copilot are ONLYOFFICE, WPS Office, Apache OpenOffice and CryptPad.
Comprehensive free office suite supporting word processing, advanced spreadsheets, dynamic presentations, vector drawings, math formulas, and robust database management. Fully compatible with major office formats across all operating systems, it offers extensive capabilities for personal or professional tasks.
Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.
A comprehensive, free office suite offering high compatibility across formats. Supports Android, iOS, Windows, Linux, macOS, and handles text, presentations, spreadsheets, and PDFs. Features document collaboration, multiple languages, strong privacy, and user support.
Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more. All data is stored in an open standard format, though Open Office can also read and write files from other common...
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.
SoftMaker Office for Windows, Mac, Linux and Android – the fast, powerful and compatible office suite.
On-premise office suite featuring advanced word processing, spreadsheets, and presentations, unmatched compatibility with 100+ formats, OOXML support, six-month updates, enterprise hardening, Visio and Publisher import, PDF export, and support for 50+ languages.
Docs in Proton Drive are end-to-end encrypted so your work stays safe from data breaches, online surveillance, and can never be fed into AI models.
OfficeSuite is a cross-platform office suite for Windows PC, Android, and iOS. It has powerful modules for DOCUMENTS, SPREADSHEETS, PRESENTATIONS, and PDF files.
OfficeSuite is compatible with Microsoft Word, Excel, PowerPoint and Adobe PDF files.
Calligra Suite is an office and graphic art suite by KDE. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.
Create, edit, and save Word, Excel, PowerPoint, PDF, and HWP files offline, sync files with free and third-party cloud storage, attach files to email, cast documents to Chromecast, use desktop and mobile clients, insert images, videos, and collaborate on shared documents.
Experience LibreOffice in your browser with ZetaOffice, featuring device access, self-hosting or CDN deployment, API for tailored integration, and data control. Enjoy a comprehensive suite with Writer for formatting, Calc for data analysis, and Impress for presentations, optimized for performance.
Germany
EU
Latvia
China
United States
France
United Kingdom
Switzerland
Bulgaria
Free, Windows, full Microsoft Office (.doc, .xls), Microsoft Office Open XML, OpenDocument, and Portable Document Format support.