One of the most popular alternatives to Microsoft 365 Copilot is LibreOffice, which is free and open source. Other popular alternatives are ONLYOFFICE, CryptPad, Apache OpenOffice and Fossify Documents. Office Suites like Microsoft 365 Copilot are a crowded field, with more than 50 alternatives for Windows, the web, Mac, Linux and Android.
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.
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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.
LatviaEU
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.
FranceEU
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...
United States
Private offline document reader and organizer supporting PDFs, DOCX, TXT, Markdown, CSV, TSV, and HTML files, enabling editing, formatting, folder browsing, sorting, favorites, and recent file tracking. No ads or tracking, with customizable themes and layouts.
India
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.
Switzerland
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.
United Kingdom
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.
China
Your own workspace. A self-hosted, open source alternative to Google Workspace: mail, drive, docs, sheets, slides, calendar and chat.
NetherlandsEU
Google Workspace delivers a cloud-based suite combining Gmail, Calendar, Meet & Drive to enhance collaboration through tools like Docs and Sheets. Offers secure storage options, custom domain emails, and robust management capabilities with 2FA and 24/7 support.
United States
Euro-Office is a self-hostable document server — documents, spreadsheets, presentations, and PDFs — designed to integrate with a platform such as Nextcloud.
Calligra Suite is an office and graphic art suite by KDE. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.
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