GeoConnections: http://www.geoconnections.org/en/index.html
Open Source Initiative: http://www.opensource.org
Geotools (Open Source Java GIS Toolkit): http://www.geotools.org
GeoServer (Java-based open source server software): http://geoserver.org/display/GEOS/Welcome
Town of Hinton (Mi Town Internet Mapping Application): http://maps.hinton.ca/mitown/login.asp?apperr=1,3,
GeoDiscover Alberta: http://xnet.env.gov.ab.ca/portal_pub/
Integrated Management and Geospatial Information Network for the Environment (IMAGINE Canada): http://imaginecanada.cyansolutions.com/Home
The Forestry Corp. (FRI OpenSource Developer): http://www.forcorp.com