Nextcloud Calendar
Google Calendar
Etar
Rainlendar
Lightning Calendar
Simple Calendar
ProtonCalendar
Morgen.so
Radicale
Baïkal
SOGo
Roundcube
DAViCal
Xandikos
Zimbra
InfCloud
Nextcloud Calendar RadicaleBased on our record, Radicale should be more popular than Nextcloud Calendar. It has been mentiond 15 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Probably at nextcloud calendar app. Source: about 1 year ago
However, what you're describing seems like any simple Calendar will meet the needs (effectively, here's an event are you coming or not?). Might be overkill, but check out Nextcloud in that case (https://apps.nextcloud.com/apps/calendar). Source: about 1 year ago
I have moved from Google calendar to NextCloud calendar self-host and quite happy with it. I use it with Apple Calendar for creating events, etc. Though sometimes it doesn't sync properly, most of the time, it does the job. The only downside is, I would like to connect my domain/email to the calendar but it is not possible with NextCloud, so it is quite inconvenient if someone tries to invite me. Source: about 1 year ago
If you are a roll-your-own person, you could install and maintain a NextCloud server. See https://apps.nextcloud.com/apps/calendar and https://nextcloud.com/athome/ this is not for the faint of heart. Source: over 2 years ago
Maybe https://radicale.org/ could fit the bill, CalDav for as a calendar server and CardDav for contacts. - Source: Hacker News / 10 months ago
I now use CalDAV Synchronizer to sync Outlook to my Radicale CalDAV / CardDAV "server" (a Raspberry Pi), with DAVx running on our phones. Source: about 1 year ago
Setup: 1. Install a CalDev server on my home server (running Debian Linux) using maybe Radicale (https://radicale.org/) 2. Use the Linux version of ProtonMail Bridge on this server to set up IMAP to connect to this CalDev server 3. Configure filters to automatically forward event invites sent to my ProtonMail address to my CalDev server, decrypted by Bridge 4. Configure my CalDev server to use ProtonMail to send... Source: over 1 year ago
Caldav is what you are looking for. The other comments mention implementations of them and I can vouch for radicale pretty barebones but does its job. Source: over 1 year ago
We are thinking of writing a guide to setting up a small Radicale instance. This could be hosted on a raspberry pi, or small NAS or something. Source: over 1 year ago
Google Calendar - Spend less time managing your day & more time enjoying it
Baïkal - Cal and CardDAV server
Etar - Material design open source calendar for Android.
SOGo - SOGo is groupware server with a focus on scalability and open standards.
Rainlendar - Rainlendar - Customizable desktop calendar
Roundcube - Web-based IMAP email client
