Baïkal is a server for calendars and address book, which used CalDav and CardDav protocol. Baïkal can be synced with a lot of client like Thunderbird + Lightning.
To configure the application, go to the address: `sub.domain.tld/admin` or `domain.tld/baikal/admin`.
The username to specify is `admin` followed by the specific password you chose when installing Baikal. Be careful, the password must not contain any special characters.
AgenDAV is a web client for using your calendars. It's packaged for Yunohost and you can used it after installing Baïkal.
AgenDAV is already connected to Baïkal, any other configuration is necessary. If you create a new entry in Thunderbird + Lightning calendar, refresh your AgenDAV page is enough to see your modifications.
AgenDAV also allows you to create a new calendars very easily.
+ Fix a bug or an improvement by creating a ticket (issue): [github.com - YunoHost-Apps/baikal/issues](https://github.com/YunoHost-apps/baikal_ynh/issues)