web / php based collaboration

[Philip Hallstrom]

> This might be a little off the exact topic of this list, so I ask your 
> patience in advance.
>
>  I am looking for collaboration software that is PHP based and has the 
> following features:
>
>  1 - Ease of config & Maint.
>  2 - E-Mail
>  3 - Work Flow
>  4 - Contact management
>  5 - Task List

www.opensourcecms.com

info, demos, etc... lots of choices.