Compatible Apps
Cirrux follows open standards. This means that a broad range of apps can be used to access your Cirrux mailbox, calendar, contacts and reminders. Pick your platform and the type of app you’re looking for to find a good match.
Apple Mail
The built-in mail app on macOS and iOS works great with Cirrux over IMAP and SMTP.
Apple Calendar
The built-in calendar app on macOS and iOS syncs your Cirrux calendars over CalDAV.
Apple Contacts
The built-in contacts app on macOS and iOS syncs your Cirrux contacts over CardDAV.
Apple Reminders
The built-in reminders app on macOS and iOS syncs your Cirrux reminders over CalDAV.
Thunderbird
A free, open-source email and calendar client that works great with Cirrux on every desktop platform, plus email on Android.
Evolution
The GNOME mail, calendar and contacts client for Linux, with IMAP, SMTP, CalDAV and CardDAV support for Cirrux.
GNOME Calendar
The default GNOME calendar app on Linux syncs your Cirrux calendar over CalDAV.
GNOME Contacts
The default GNOME contacts app on Linux syncs your Cirrux contacts over CardDAV.
Spark Mail
A polished email client for macOS and iOS that connects to Cirrux over IMAP and SMTP.
MailMate
A powerful, keyboard-driven email client for macOS that connects to Cirrux over IMAP and SMTP.
Mailbird
A unified email client for macOS and Windows that connects to Cirrux over IMAP and SMTP.
Outlook
Microsoft Outlook works great for email with Cirrux over IMAP and SMTP.
DAVx⁵
A sync adapter for Android that makes your Cirrux calendar, contacts and reminders available to other apps.
Google Calendar
Google Calendar on Android has preliminary CalDAV support for your Cirrux calendar.
/e/OS
The built-in calendar and contacts apps on the privacy-focused /e/OS Android distribution sync your Cirrux calendar and contacts over CalDAV and CardDAV.
Cal.com
Use your Cirrux calendar with Cal.com to check availability and write new events when people book with you.