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Forestimator

FotoFlexer

Framadate

Framaforms

Framapad

Framasoft

Framatalk

Freedcamp

FreeMind

Freemusicarchive.org

Frisechronos

FunMOOC

GaBi

Gadwin Printscreen

Gallica

Game builder

Gather Town

Gdevelop

Genially

GeoGebra 5

Gephi

Getcapte

Gimp