Package: boinc-client

/usr/bin/boinc /usr/bin/boinc_client /usr/bin/boinccmd /usr/bin/switcher

You may install this package on CentOS with yum install boinc-client

/usr/bin/boinccmd /usr/bin/boinc /usr/bin/update-boinc-applinks

You may install this package on Debian with apt-get install boinc-client