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Today's Deep-Dive: DAViCal
In this episode of The Deep Dive, we explore how dependent our daily lives have become on digital calendars—and what it really means to rely on big tech platforms to manage something as essential as our time.
The focus is on DAViCal, an open-source calendar server that implements the CalDAV protocol. At its core, DAViCal acts as a self-hosted cloud for calendar data. Instead of locking users into proprietary ecosystems, it relies on open standards that ensure interoperability across a wide range of applications—including Mozilla Calendar, Evolution, Apple Calendar (iCal), and iOS.
The episode breaks down two key standards:
This combination guarantees compatibility and freedom from vendor lock-in.
A major theme of the discussion is digital sovereignty. DAViCal is licensed under the GPL (General Public License), meaning users are free to use, study, modify, and share the software. This ensures transparency, long-term sustainability, and full control over sensitive calendar data.
The episode also highlights enterprise-level features that make DAViCal comparable to Microsoft Exchange or Google Workspace:
From a technical standpoint, DAViCal requires:
The developers recommend running it on open-source operating systems like Linux or FreeBSD, noting that such infrastructure performs best in open environments.
Beyond the software itself, the episode emphasizes the strength of its community-driven model. Contributions go far beyond coding—documentation, translations, user support, and feature design are all essential. This reflects the broader philosophy behind the project: open collaboration over corporate control.
The episode concludes by zooming out to a bigger question:
If you can reclaim control over your calendar through open standards like CalDAV, what about other parts of your digital life—such as contacts (CardDAV) or email?
Ultimately, DAViCal represents more than just a tool. It embodies a commitment to digital independence, interoperability, and long-term ownership of your own data.
Gain digital sovereignty now and save costs
Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?
Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.
Try it now!
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By GzEvD mbHIn this episode of The Deep Dive, we explore how dependent our daily lives have become on digital calendars—and what it really means to rely on big tech platforms to manage something as essential as our time.
The focus is on DAViCal, an open-source calendar server that implements the CalDAV protocol. At its core, DAViCal acts as a self-hosted cloud for calendar data. Instead of locking users into proprietary ecosystems, it relies on open standards that ensure interoperability across a wide range of applications—including Mozilla Calendar, Evolution, Apple Calendar (iCal), and iOS.
The episode breaks down two key standards:
This combination guarantees compatibility and freedom from vendor lock-in.
A major theme of the discussion is digital sovereignty. DAViCal is licensed under the GPL (General Public License), meaning users are free to use, study, modify, and share the software. This ensures transparency, long-term sustainability, and full control over sensitive calendar data.
The episode also highlights enterprise-level features that make DAViCal comparable to Microsoft Exchange or Google Workspace:
From a technical standpoint, DAViCal requires:
The developers recommend running it on open-source operating systems like Linux or FreeBSD, noting that such infrastructure performs best in open environments.
Beyond the software itself, the episode emphasizes the strength of its community-driven model. Contributions go far beyond coding—documentation, translations, user support, and feature design are all essential. This reflects the broader philosophy behind the project: open collaboration over corporate control.
The episode concludes by zooming out to a bigger question:
If you can reclaim control over your calendar through open standards like CalDAV, what about other parts of your digital life—such as contacts (CardDAV) or email?
Ultimately, DAViCal represents more than just a tool. It embodies a commitment to digital independence, interoperability, and long-term ownership of your own data.
Gain digital sovereignty now and save costs
Let’s have a look at your digital challenges together. What tools are you currently using? Are your processes optimal? How is the state of backups and security updates?
Digital Souvereignty is easily achived with Open Source software (which usually cost way less, too). Our division Safeserver offers hosting, operation and maintenance for countless Free and Open Source tools.
Try it now!