DURA LEX, SED LEX
Our suggestions
Our daily discussions
Archives of general (ptafflist) to free software (ptaffgnu) mailing list discussions by people near to ptaff.ca.
1,696 lightnings, the movie
Short meteorological clip presenting the August 1st, 2006 thunderstorm in the Montreal area.
Sunrise/sunset hours, all year long
GPL-distributed Python software that draws sunrise, sunset and daylight graphs.