Software Alternatives, Accelerators & Startups

CalendarServer VS Calypso

Compare CalendarServer VS Calypso and see what are their differences

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CalendarServer logo CalendarServer

CalendarServer is a standards-compliant server implementation of the CalDAV and CardDAV protocols, including iMIP and APNS.

Calypso logo Calypso

Calypso is a file sharing client using the anonymous network MUTE. Developped using C++ and Qt. For windows and linux, portable to other environments.
  • CalendarServer Landing page
    Landing page //
    2022-05-29
  • Calypso Landing page
    Landing page //
    2023-04-27

CalendarServer features and specs

  • Open Source
    CalendarServer is open source, which allows users to access and modify the source code to suit their needs, fostering customization and community-driven improvements.
  • Support for Standard Protocols
    The server supports standard protocols like CalDAV and CardDAV, allowing for interoperability with a wide range of calendar and contact applications.
  • Cross-Platform Compatibility
    It can be deployed on various operating systems such as macOS and Linux, offering flexibility in choosing the server environment.
  • Scalability
    Designed to handle a large number of users, CalendarServer can scale to meet the needs of small businesses to large enterprises.
  • Community Support
    Being a community-driven project, users can seek help and collaborate with others in the open source community for support.

Possible disadvantages of CalendarServer

  • Complex Setup
    Setting up CalendarServer can be complex and time-consuming, requiring a good understanding of server management and configuration.
  • Limited Documentation
    Documentation might be lacking or not as comprehensive as commercial alternatives, which can lead to difficulties in installation and configuration.
  • Maintenance Overhead
    Running an open source server means that users are responsible for maintenance, updates, and security, which can be burdensome for those without technical expertise.
  • Feature Limitations
    While it supports core calendar functionalities, it might lack some advanced features and integrations provided by commercial calendar server solutions.
  • Dependent on Community Contributions
    The advancement of the project relies on contributions and support from the community, which can be unpredictable and sometimes slow.

Calypso features and specs

  • Open Source
    Calypso is an open-source project, which means users can modify, distribute, and use the software freely according to their needs. This encourages community contributions and ensures transparency in development.
  • Active Community Support
    Being hosted on SourceForge and as an open-source project, Calypso benefits from an active community of users and developers. This can lead to quicker bug fixes, a variety of plugins or add-ons, and assistance with troubleshooting.
  • Customization and Flexibility
    Users can customize Calypso as it is open-source, allowing them to tailor the software to their specific needs or incorporate additional features not available in the default version.

Possible disadvantages of Calypso

  • Steeper Learning Curve
    As often seen with open-source projects, new users may find Calypso's learning curve to be steep if they're not familiar with the common practices and interfaces found in open-source software.
  • Limited Official Support
    Calypso may lack the comprehensive support options offered by commercial software, such as dedicated customer service. Users primarily rely on community forums and documentation.
  • Potential for Complexity
    Since users can customize the software extensively, there is a potential for complexity to increase, which could lead to issues with maintenance and integration if not managed properly.

CalendarServer videos

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Calypso videos

I Reviewed Every Calypso Drink Flavour...

More videos:

  • Review - CALYPSO - REVUE 2006 part 1
  • Review - Ranking Every Flavor of Calypso Lemonade! - SNACKTIME

Category Popularity

0-100% (relative to CalendarServer and Calypso)
Self-hosted Email
67 67%
33% 33
Open Source
0 0%
100% 100
Email
100 100%
0% 0
File Sharing
0 0%
100% 100

User comments

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What are some alternatives?

When comparing CalendarServer and Calypso, you can also consider the following products

Baรฏkal - Cal and CardDAV server

SOGo - SOGo is groupware server with a focus on scalability and open standards.

Radicale - The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.

DAViCal - DAViCal is a server for calendar sharing.

Xandikos - Lightweight CalDAV/CardDAV server on top of Git.

AgenDAV - AgenDAV is an Open Source CalDAV Web application.