gnu-free-fonts from home:jsuarezr:LibrePlan project
Select Your Operating System
Add repository and install manually
For CentOS CentOS-6 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/home:jsuarezr:LibrePlan/CentOS_CentOS-6/home:jsuarezr:LibrePlan.repo yum install gnu-free-fonts