MobiOffice (formerly OfficeSuite)
MobiOffice (formerly OfficeSuite) is an easy-to-use office suite alternative, used by over 250 million users across 195 countries. Available on Windows, Android, iOS, and macOS, MobiOffice includes MobiDocs, MobiSheets, and MobiSlides.
MobiOffice helps you manage text documents, spreadsheets, and presentations with ease. It's compatible with all major file formats including Microsoft Office (DOCX, ODT, PPTX), Google (Docs, Sheets, Slides), Apple iWork, and more.
Explore each component:
MobiDocs: Create and modify documents with comprehensive formatting options.
MobiSheets: Simplify data management and analysis to visualize insights and generate reports effortlessly.
MobiSlides: Craft impressive presentations with customizable templates and multimedia capabilities.
MobiOffice integrates with MobiDrive, MobiSystems’ cloud storage solution for easy document saving and synchronization. Try it free for 7 days to see how this office suite meets your needs.
Optimized for all major platforms, MobiOffice’s components - MobiDocs, MobiSheets, and MobiSlides - are available as a complete suite or as standalone apps on Windows, delivering tailored and affordable solutions that suit individual needs.
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Proton Mail
Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.
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ContactOffice
ContactOffice is an online collaboration suite that includes Email, Calendar, Documents, Online Editing, Address Book, Chat, and Cloud Storage. ContactOffice is accessible from any device, whether it's a PC, tablet or mobile phone that has a browser. Through Groups, the user can share information with other users. Administrators of these groups can set access rights for members. Users can also share their private spaces. For example, a user can share his/her Mailbox with colleagues, without sharing login credentials. ContactOffice supports all the standard protocols like Imap, Pop and CalDAV. It also supports WebDAV, CardDAV and WebDAV. ContactOffice offers dataportability by allowing users to export modules to standard formats. ContactOffice can create a white label version of its application that is fully customizable for educational institutions or enterprises.
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Cyrus IMAP
Cyrus IMAP serves as a server for emails, contacts, and calendars, and is available as free and open-source software.
Among its many features are high-speed performance, strong security measures, and efficient resource management. Additionally, it includes powerful search capabilities and supports both CardDAV and CalDAV protocols. The platform ensures robust data storage and offers replication features, making it suitable for large-scale installations. Flexible filtering through Sieve allows for customizable email handling, while integration with antivirus and antispam toolkits enhances its security. Moreover, Cyrus IMAP effectively manages deliverability standards such as SPF, DKIM, and DMARC. It provides extensive authentication possibilities through Cyrus SASL and includes support for JMAP, alongside a comprehensive array of supported standards that enhance its versatility. Overall, Cyrus IMAP is an ideal solution for organizations seeking a reliable and feature-rich email server.
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