Calendaring
In keeping with the distributed nature of the ASF the aim is to create a simple system that allows projects to create small RDF files for events they wish to advertise. These are then aggregated into a single place and outputs created. Presently the proposed outputs are HTML and ICS files.
What's available to date can be found here.
Community Information
Are you a committer at the ASF? If you are then enter your information and be displayed on the information site! It's not compulsary or required, but it's cool and you should do it. Find out all you need here.
Apache http Server Modules
Modules, modules everywhere, but what do they all do? an attempt to answer this and many other questions is underway here.