No subject

-The PPI Coreteam

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[1] Pentabarf.org
Pentabarf is a conference planning system written in Ruby (using the
Rails framework) and PL/pgSQL.
Pentabarf supports the submission collection, content planning,
schedule creation, feedback collection and has various exports to put
these data to use in other systems.
Pentabarf was originally developed for the content planning of the 21C3

[2] constantvzw.org
Constant is a non-profit association, based and active in Brussels
since 1997 in the fields of feminism, copyright alternatives and
working through networks.
Constant develops radio, electronic music and database projects by
means of migrating from cultural work to work places and back again.

[3] Couchsurfing.org
CouchSurfing is an international non-profit network that connects
travelers with locals in over 230 countries and territories around the
world.  Since 2004, members have been using the system to come
together for cultural exchange, friendship, and learning experiences.
Today, over a million people who might otherwise never meet are able
to share hospitality and cultural understanding.