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AMICUS HUMANI GENERIS
About ptaff.ca
Spheres

Our suggestions

History, advantages and usage contexts of the PNG image format.

A flexible, optimized and free image format

History, advantages and usage contexts of the PNG image format.

 
Perl software distributed under the GPL that does simple transformations on MIDI files.

Concatenate MIDI files

Perl software distributed under the GPL that does simple transformations on MIDI files.

 
Graphs of sunrise/sunset and time of light for any place in the world.

Sunrise and sunset, all year long, anywhere

Graphs of sunrise/sunset and time of light for any place in the world.