OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
Office EU Alternatives
Apps similar to Office EU include CryptPad, which is open source with a free version. Other options are Microsoft 365 Copilot, eigen, Google Workspace and Nextcloud Hub. Team Collaboration Tools like Office EU are a crowded field, with more than 50 alternatives for the web, Windows, Android, iPhone and Linux.
Alternatives list
- 30 pasteToPrint alternatives
Paste text or import office files, PDFs and images into a browser editor, format headings, lists and tables, add drawings or images, inspect 1:1 pages and margins, then print A4 documents or download PDFs without an account.
Slovakia
EU


AI Doc Suite is an AI-powered workspace for generating, editing, and converting documents, presentations, blogs, and spreadsheets — 100% free and browser-based.
Cost / License
- Free
- Proprietary
Since
- Since 2025
Bangladesh


Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Bosnia & Herzegovina


+9
Low cost, easy to use Email Server software for virtual, on-premise, or hosted deployments for companies that want control of their email. Integrated web-mail with doc sharing, Drop Box integration, client and server side encryption.
United Kingdom


+5
All-in-one European business email and collaboration platform — email, chat, video conferencing, and office suite in one app. Cloud or self-hosted.
Czechia
EU


+2
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Australia



All the services you require for your website needs in one place. Domain Names, SSL, Hosting, Email, Website Builders etc.



The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine or local area network. Messages from the outside world are received by Mercury and delivered to the users, who can access it at any later point.
Australia


+5
Linchpin is an efficient social intranet platform that focuses on effective collaboration and reduces complexity by means of user-specific customization.


+4
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.
China





































