To download all the files at once, the following code can be run (linux compatible) in a terminal:

wget http://www.nitrc.org/frs/?group_id=911 -O age-ility_filelist

for subject in $(grep download.php age-ility_filelist | sed 's/.*href="//;s/".*//')
do
echo $subject
wget https://www.nitrc.org$subject
done