On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.
Germany
EU




On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.




Free, open-source, local-first task manager and time tracker for desktop, web, Android and iOS, with Pomodoro focus and optional self-hosted sync.




Tasks is libre open-source software, based on the original source code from the popular Astrid Tasks & To Do List! Tasks is easy-to-use, feature-packed, flexible and customizable, and synchronizes with a variety of services.



Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.




Mail and calendar for Linux. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME. GTK4 and libadwaita, written in Rust.




A privacy-first calendar that works offline and looks beautiful. Connect to iCloud — or don't. Your schedule, your choice.



eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.




Access, view and manage messages from all your email accounts in one place. Categorize your messages into easy to browse categories. Catch up on email easily with Apple Intelligence powered Priority Messages and summarizations.



E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).




Privacy-friendly Swiss email solution with 20 GB free storage, custom domain options, contact and calendar sync, and cross-device access in a secure suite.




Secure email hosting with webmail, IMAP, and POP protocols, ideal for individuals and businesses. Includes junk mail protection, file sharing, and 1Password integration.




Enjoy ease of scheduling with natural language event creation, sync with major platforms, visually appealing color-coded displays, and file attachment support.




Open source suite for mail, calendar, drive, and contacts with self-hosting, privacy, zero cost, open standards, versioned files, and unified login.



Calendar interface for CalDAV, enabling cross-device event sync, web editing, recurring events, Nextcloud Contacts integration, WebCal support and attendee invites.

Secure, private email with end-to-end encryption, no ads, tracking, or government surveillance, ensuring top-notch privacy under Belgium law.




Comprehensive CalDAV and CardDAV server enabling local or remote calendar and contact access with configurable authentication.
Consolidates calendars, to-dos, apps, and schedulers for streamlined time management, reducing wasted time by centralizing tasks and meetings.




GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange). In addition to an e-mail address, each GMX account includes a Mail Collector, Address Book, Organizer, and File Storage.







Manage your journals, notes, and tasks in one Android app. The app is compatible with the iCal standard and is integrated with DAVx5 to allow the synchronization of entries through CalDAV.




fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!

A powerful, fast and elegant CalDAV task manager. Written in Rust, cross-platform (Linux, Android, Windows and probably macOS).



Infomaniak Sync enables you to synchronise your contacts and calendars between Infomaniak's WorkSpace and your Android devices.


