Cost / License
- Freemium
- Proprietary
Platforms
- Android




Open365 is described as 'The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is moving forward. Welcome to the open source cloud!' and is a Office Suite in the office & productivity category. There are more than 25 alternatives to Open365 for a variety of platforms, including Windows, Web-based, Android, iPhone and Linux apps. The best Open365 alternative is LibreOffice, which is both free and Open Source. Other great apps like Open365 are ONLYOFFICE, Microsoft 365 Copilot, Apache OpenOffice and CryptPad.




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.




Pegasus Mail is a free, standards-based electronic mail client suitable for use by single or multiple users on single computers or on local area networks.








Truly Office Software is the #1 office productivity suite suitable for PC and mobile devices. It is a high-performing, multi-device that is considerably price friendly than alternatives. Truly Office is fully compatible and comparable to Microsoft PowerPoint, Excel and Word.



Graphite is powered by Blockstack and is the first truly decentralized and encrypted replacement for Google G-Suite and Microsoft Office. Graphite enables convenient, secure, decentralized, and user-owned file creation, file storage, communication, and sharing.
It's compatible with Microsoft Office (Word, Excel, PowerPoint), Google Docs, Google Sheets, Google Slide & OpenOffice format.



Microsoft Office documents viewer, open source document and spreadsheets editor, PDF maker, voice recorder, document scanner and file manager, all features in a single app. The best document editing and management suite for iPhone and iPad.




Web application to open and edit documents, spreadsheets, and presentations. Integrated with GMX File Storage cloud storage.
Zonal365 Workspace is a cloud-based productivity and collaboration platform that offers an alternative to Microsoft Office 365. It includes a range of tools and features designed to help businesses and individuals work more efficiently and effectively.

Aspose.Total Cloud is a collection of RESTful APIs specifically designed for document generation, conversion & automation in the cloud. It supports Word, Excel, PDF, PowerPoint, Outlook, Visio & more than 100 other file formats in any type of apps.




Conholdate.Total for .NET is a compilation of every .NET component offered by Aspose and GroupDocs. It allows to Create, manipulate, convert, compare, search & view Word, Excel, PowerPoint, Outlook, PDF and more than 100 other file formats in .NET.



