DE PROFUNDIS CLAMAVI
Our suggestions
Our daily discussions
Archives of general (ptafflist) to free software (ptaffgnu) mailing list discussions by people near to ptaff.ca.
Sunrise/sunset hours, all year long
GPL-distributed Python software that draws sunrise, sunset and daylight graphs.
Your mailing lists available through the web
GPL-distributed PHP software which transforms mailing list archives to W3C-compliant web pages.