FELIX QUI POTUIT RERUM COGNOSCERE CAUSAS !
Our suggestions
Our daily discussions
Archives of general (ptafflist) to free software (ptaffgnu) mailing list discussions by people near to ptaff.ca.
A computer for the children?
Evaluation of the military potential of the XO-1 laptop distributed by the OLPC project.
A flexible, optimized and free image format
History, advantages and usage contexts of the PNG image format.