Peer-to-peer Calendar sync

• syncthing-android

  1,233 3,008 9.2 Java

  Wrapper of syncthing for Android.

  

  There is Decsync This is basically a Text based Contacts/Calendars/Tasks/Memos version control. You can sync the folder with any way. The closest to what you want would be syncthing which is a file sync tool which works without a server if you are in the same local network. If you are only reachable via Internet, you can choose to use a discovery server (public options available) to connect both.

• DecSync

  28 584 0.0

  Synchronize RSS, contacts, calendars, tasks and more without a server

  There is Decsync This is basically a Text based Contacts/Calendars/Tasks/Memos version control. You can sync the folder with any way. The closest to what you want would be syncthing which is a file sync tool which works without a server if you are in the same local network. If you are only reachable via Internet, you can choose to use a discovery server (public options available) to connect both.

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• DecSync CC

  11 217 0.0 Kotlin

  Android app to sync contacts, calendars and tasks without a server using DecSync

  There are android versions of Syncthing and decsync on Fdroid or Google Play. IMO the only downside is, there is only a native plugin for Evolution. There is a plugin for radicale, which is a Caldav/Carddav server. So you can locally run radicale with decsync plugin, sync decsync via Syncrhing and sync Thunderbird, etc via radicale. This is still what you are looking for, but it is a little complex setup imo...

• Radicale

  31 3,087 9.3 Python

  A simple CalDAV (calendar) and CardDAV (contact) server.

  

  I think radicale is extremely light and can run on your personal computer. When your computer goes to to sleep, the other devices will give error on lines of "server not found" but there won't be any data corruption. The only problem would be that the syncing would happen when your devices are on the same network. otherwise you need something like a VPS.

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