Open365
Open365 is an open-source alternative to Microsoft 365 and Google Workspace, providing core productivity apps like word processing, spreadsheets, presentations, email, calendar, contacts, and more. It is free, customizable, and focused on privacy and data ownership.
opensource
privacy
collaboration
documents
spreadsheets
presentations
email
calendar
contacts
Open365: Open-Source Productivity Alternative
Open365 is an open-source alternative to Microsoft 365 and Google Workspace, providing core productivity apps like word processing, spreadsheets, presentations, email, calendar, contacts, and more. It is free, customizable, and focused on privacy and data ownership.
What is Open365?
Open365 is an open-source, self-hosted alternative to commercial solutions like Microsoft 365 and Google Workspace. It provides core productivity apps including a word processor, spreadsheet software, presentation software, email, calendar, contacts manager, and more.
As open-source software, Open365 aims to give users control over their data and privacy. Rather than storing data on Microsoft or Google servers, Open365 enables users to host their own servers and retain ownership over their documents, emails, calendars, contacts, and other data.
Some key features and benefits of Open365 include:
- Free and open-source - no license fees or ongoing costs
- Self-hosted - data stays under the user's control rather than on third-party servers
- Secure and private communications and data storage
- Customizable - users can modify the software to meet their specific needs
- Accessible from any desktop or mobile device via a web browser
- Supports real-time collaboration for documents, spreadsheets, etc.
- Integrated suite for productivity and communications
Overall, Open365 aims to balance productivity, privacy, and cost for individuals, teams, enterprises, educational institutions, and government agencies looking for an alternative to closed, proprietary office and collaboration platforms.
Open365 Features
Features
- Open source code
- Web-based apps
- Word processing
- Spreadsheets
- Presentations
- Calendar
- Contacts
- File storage
- Collaboration tools
- Customizable
- Self-hosted
- End-to-end encryption
- GDPR compliant
Pricing
- Open Source
Pros
Free and open source
Customizable and extensible
Privacy and data ownership
Available source code
No vendor lock-in
Accessible and transparent
Community driven
Lightweight and fast
Works offline
Active development
Cons
Limited native integrations
Smaller user base
Less polished than paid options
Requires self-hosting
Limited support options
Steep learning curve
Official Links
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