Calypso alternatives

Ranked alternatives

1. 1
   
   RadicaleFree

   Radicale is a free and open-source CalDAV and CardDAV server. It aims to be an alternative to the paid service Apple offers for the same task (iCloud Calendar and Reminders). It was born as an experiment in the federation and is developed with the same guidelines: it’s meant to be freely distributed and customizable by everyone. It is written in Python and uses the Django framework. It runs on POSIX compatible systems like GNU/Linux, Mac OS X, BSD, and Solaris.

   It is easy to use, simple to set up, and easy to hack. It will allow you to access your calendar, contacts, and to-do lists from anywhere you want, even from your mobile. One of the biggest features of Radicale is that it’s free and open source. Its goal is to provide calendar and contact access to everyone, on every device, in every location, and for every interface. In short, if you are looking for CalDAV and CardDAV servers with simple and intuitive interfaces then it’s the perfect choice for you.

   Radicale alternatives
2. 2
   
   SOGoFree

   SOGo is a site to manage CalDAV/CardDAV servers. It provides collaboration features like mail and calendar synchronization. It gives personalization features like address book, contacts management, and calendar sharing. It has an intuitive user interface. It is simple, with a strong focus on everyday needs: no need to learn how to use an email client or calendar application or how to configure one. It provides scalability, so it can be used by a small team of users but also support thousands of users.

   It provides a free alternative that’s simple and secure and ensures your private communication isn’t for sale. Its main aim is to provide calendar and contact access to everyone, on every device, in every location, and for every interface. You can install it in GNU/Linux distributions, using packages for Debian and Ubuntu, or you can install it from the source. In short, if you are looking for CalDAV and CardDAV servers with a simple and intuitive interface, then it’s the perfect choice for you.

   SOGo alternatives
3. 3
   
   BaïkalFree

   Baïkal is an open source software that offers a set of features to manage CalDAV/CardDAV servers. It’s lightweight, simple to use and maintain, and it supports all protocols (i.e., CalDAV, CardDAV, WebDAV over TLS, etc.) It was initially developed to manage the CalDAV server at home. It gives calendar and contacts access to everyone, on every device, in every location, and for every interface. It is designed to be used with Emacs Org-mode, but it can be used from any software through its HTTP API.

   It is easy to use, simple to set up, and easy to hack. It will allow you to access your calendar, contacts, and to-do lists from anywhere you want, even from your mobile. It provides scalability, so it can be used by a small team of users but also support thousands of users. In short, if you are looking for CalDAV and CardDAV servers with a simple and intuitive interface, then it’s the perfect choice for you.

   Baïkal alternatives
4. 4
   
   DAViCalFree

   DAViCal is an open source calendar sharing tool that allows anyone to share their calendar with friends, family, and coworkers. It gives you the power to hold appointments, events, and tasks in your own system but still share them with others who can access them using a browser and a Web Calendar client. You can share any number of public and private calendars while keeping your personal information private. Fast and easy to install, it is available as a web interface and a stand-alone calendar server for free download.

   DAViCal is a server that can be used to share your calendar. The core features of this software include free hosting, iCal, HTML, and CSV interface, support for multiple calendars, calendar groups, and Synchronization over any HTTP(S) or SOAP API. It is currently running a project to add the feature of regularly updating calendars for the users who have published their calendars using DAViCal. Overall it’s the best CalDAV server.

   DAViCal alternatives
5. 5
   
   XandikosFree

   Xandikos is a lightweight yet complete CardDAV/CalDAV server that backs onto a Git repository. It allows for easy collaboration, backup, and restoration of data. In addition, the server itself can be backed up or cloned just like any other Git repository. Calendars and tasks can be synced with a remote server using the CalDAV or CardDAV protocol. It allows you to use a remote address book powered by MySQL, LDAP, PostgreSQL, or SQLite. You can share your calendars with anyone using CalDAV or CardDAV by publishing them on a WebDAV server.

   Xandikos also provides a WebDAV server that is able to synchronize contacts and calendar events of Android devices through the WebDAV protocol. It is based on a nano sync library which provides fast and simple data synchronization between two filesystems. It is a server for storing and sharing calendaring and address book data in a way that allows clients to work offline and ensures the data is kept in sync when the next sync happens. In short, it’s the greatest CalDAV server.

   Xandikos alternatives
6. 6
   
   GeneralSyncFreemium

   GeneralSync is a user-friendly and flexible tool that enables you to simultaneously access, organize and share your data on multiple devices. It is a collaboration tool that will allow you to share restricted copies of information in your accounts with family members, business partners, or other individuals. The recipients will then be able to log into their own GeneralSync account and access the shared information.

   It is a platform that allows you to send restricted copies of your data to family members or coworkers. These copies of your data should be free of any 3rd party or institutional control, and they should exist in a common, public space. It helps you to send restricted copies of your data to trusted family members and coworkers. It is the app that aims to bring you control over the data you care about. Whether it’s your photos, notes, calendar, or contacts, GeneralSync gives you a central place to manage and protect them. Overall it’s the best CalDAV server.

   GeneralSync alternatives
7. 8
   
   AgenDAVFree

   AgenDAV is an Open Source CalDAV Web application. It is a multilanguage web-based calendar application. It is cross-platform and written in PHP. Its primary target audiences are small companies and individuals who want to manage their schedules, contacts, tasks, and notes in the cloud. It is released under the GPL and has been built upon the CodeIgniter framework using MySQL as its database back-end. It is an open source multilanguage CalDAV web application.

   AgenDAV is a full-fledged calendar server, web front end, and MySQL or PostgreSQL database server that you can install on your own computer to manage and share calendars. It includes an easy-to-use PHP-based web front end but also a RESTful API. With plugins that offer LDAP, IMAP, and POP3 support, it has the potential to work out-of-the-box with just about any existing platform or mail client. Overall it’s the best CalDAV server.

   AgenDAV alternatives
8. 9
   
   CalendarServerFree

   CalendarServer is a standards-compliant server implementation of the CalDAV and CardDAV protocols, including iMIP and APNS. If you have CalDAV or CardDAV clients, this is a good place to start. It is implemented in Python and is designed to be easy to install and run under common operating systems and configurations. It is used to communicate, work and have fun. It is fully web-accessible, which means you can access your calendar server directly from any web browser, anywhere in the world.

   Additionally, you can use other popular calendar applications with this software, as long as they support the CalDAV or CardDAV protocols. It offers its users a web interface to manage personal calendars from several accounts (so-called “sidecars”). The web interface offers common calendar options with a touch of Web 2.0 design but without any bells and whistles. In short, it’s the greatest CalDAV server.

   CalendarServer alternatives