Windows and Linux binary files are available here.
Theses binaries used during the GED contest in 2016: https://gdc2016.greyc.fr/
F2 :
https://drive.google.com/open?id=0B5e7DjaJLTYjSTBPa3QyVnhScDQ
F2LP:
https://drive.google.com/open?id=0B5e7DjaJLTYjRVdfcXN5cDV3N3M
F24threads:
https://drive.google.com/open?id=0B5e7DjaJLTYjbnpQTk5ENzZWR0k
The source code is available here :
https://drive.google.com/file/d/12MBjXcNko83mAUGKe9nVJqEKjLTjDJNd/view?usp=sharing
There is another website where you can find pure c implementation: