I'm amazed nobody seems to have mentioned this combination yet. Point your Android phone at a z-push installation and it won't know it's not talking to Exchange/ActiveSync. Point your windows clients at Zarafa and they don't know they're not talking to Exchange. On my Android device(s) I use Activesync for contacts and calendar, but K9 with IMAP for mail (Zarafa does IMAP too, and supports NOTIFY so you get "push" email). There's a CalDAV gateway which KDE and/or Evolution can talk to, and of course IMAP for mail. The only thing missing at the moment is desktop contacts sync, but there's a read-only CardDAV extension I plan to try to get working at some point.
I wouldn't be using anything which isn't mine to control; when someone gives me their contact details, I do not wish to assume they have also given me permission to hand that information to a third party. Same for calendars.
And there's a pretty decent web interface for casual use (I wouldn't use it for anything serious as it doesn't do threading), but it's OK for casual stuff, and you can keep it open as a calendar application if you don't want to use CalDAV.
There are packages for everything but Z-Push in Fedora and presumably other distros. Z-Push is easy to install anyway.
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I'm amazed nobody seems to have mentioned this combination yet. Point your Android phone at a z-push installation and it won't know it's not talking to Exchange/ActiveSync. Point your windows clients at Zarafa and they don't know they're not talking to Exchange. On my Android device(s) I use Activesync for contacts and calendar, but K9 with IMAP for mail (Zarafa does IMAP too, and supports NOTIFY so you get "push" email). There's a CalDAV gateway which KDE and/or Evolution can talk to, and of course IMAP for mail. The only thing missing at the moment is desktop contacts sync, but there's a read-only CardDAV extension I plan to try to get working at some point.
I wouldn't be using anything which isn't mine to control; when someone gives me their contact details, I do not wish to assume they have also given me permission to hand that information to a third party. Same for calendars.
And there's a pretty decent web interface for casual use (I wouldn't use it for anything serious as it doesn't do threading), but it's OK for casual stuff, and you can keep it open as a calendar application if you don't want to use CalDAV.
There are packages for everything but Z-Push in Fedora and presumably other distros. Z-Push is easy to install anyway.