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SOGo is free + Open Source
Authored by: petersconsult on Jul 09, '11 10:51:11AM
There is a multiple-platform alternative to this product that is free, open-source, and works flawlessly for iPhone and Mac Calendar and address book sharing;
The name of the project is SOGo
I've been using it for several clients with great results; it doesn't rely upon the Java framework, so that means it's lightweight and fast...
BTW... I've no particular connection to this project, other than being a satisfied admin, providing several companies with this service all from one remote server...
Hope this helps
Be Well

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SOGo is free + Open Source
Authored by: LostInSpace2011 on Jul 10, '11 07:33:25AM
Address Book Server is also FREE as of July. Currently we are not open source as there are no interested developers contributing. So with nobody looking at the code there is little point in open sourcing the project. In spirit the project is open source in as much as if anyone is interested in contributing towards improving Address Book Server I would be more then happy to share the source. This has always been the case since the project started back in 2007, and goes back even further back to the days I worked on ABxLDAP, AB4LDAP and AB2LDAP. This is also the reason the project is going to be available for FREE from now on which will make it hopefully easier to get other developers interested in joining.

After all what is the point of open source if nobody else is looking at it. It is not about getting software for free, but getting free software. Might be interested in reading what RMS has to say on this:

Just to comment on your suggestion for SOGo. We also have support for iOS via ABCMobile (from the AppStore). Our web interface still has lot of potential for improvement, but is functional. In particular the reports allow for interesting analysis, such as google earth reports to map the location of all your contacts, birthday reports etc.

Have fun

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SOGo is free + Open Source
Authored by: StrawHousePig on Jul 10, '11 11:03:24PM

These really differ in their intended audience. Not to speak for the OP, but ABServer is a personal solution where SOGo is enterprise. SOGo, like the Darwin packages, has several of its own dependencies and needs more hands on skill to install and administer than ABServer.

I must admit I've always been leery of Java daemons and I remember looking at ABServer years ago, though I'm not sure how to take the news of it becoming freeware. Makes me a little sad to hear a Mac developer must take such drastic efforts to keep their software alive. I certainly wish you the best of it.

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SOGo is free + Open Source
Authored by: LostInSpace2011 on Jul 10, '11 11:37:51PM

Quite a few businesses are using Address Book Server in a enterprise / commercial environment. The the ability to sync a subset of groups in Address Book was added especially of this market. Also one of my larger customers is running around 60 Macs on a single server. I have to admit in this case we had to move to a move from the standard embedded database to the more powerful PostgreSQL. Similarly the ability to host more then once server instance on the same system without using substantial more resources has also been added to address the needs of the enterprise market.

I fail to see the issue and fear with Java processes. Most major blue chips use java for their system. The language is mature and has great frameworks and support. Java and the various enterprise frameworks (J5EE) provide great scalability.

Even though getting started with Address Book Server may be simpler than other alternatives, there are lot of options available. Maybe take a look at the WIKI page : for some of the more advanced features included.

The reason we are going free is that is it not viable to compete with Apple (MobileMe, iCloud and their own ABServer), Microsoft with Exchange, Google / Yahoo (free sync). Being essentially the only developer working on this I guess it was always written on the wall. At one point a fellow from Germany did some great work and put in several hours which helped a lot. I am most grateful for his help. Others helped out with graphics which I also appreciate. Other this this the rest was done by yours truly. I don't want to brag as I enjoyed the work. Yet I have come to the conclusion that if Address Book Server is going to succeed the only way forward it to get other developers, marketeer etc involved. The tricky bit is to achieve this without the financial resources of the competition. So I am guess the only way forward is the give the software away for free and see if this helps to attract others who are willing to contribute. I might turn out to be a mistake, but since I have been trying to attract other developers in the last years, I might as well try that and see what happens :-)

Hope I don't sound to melodramatic. Address Book Server has so far been good fun for me and I hope it will continue in the same way as it did so far.

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SOGo is free + Open Source
Authored by: petersconsult on Jul 16, '11 12:00:39PM

Hi LostInSpace2011,

Honestly, fear of the unfamiliar is what keeps me from implementing Java on my 'nix servers.
As for AddressBook Server, i can assure you i will take another look at running it on my CentOS/MySQL machines... i do remember that my choices for a suitable -dav platform came to your product and SOGo, and i chose SOGo for its readiness.
In any case, i wish you all the luck and success this world has to offer!
Be Well,

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