RepoForge might be outdated. We have no updates since very long time.
pkgs.repoforge.org is DOWN
The Centos wiki has flagged repoforge as a dead project.
CentOS第三方软件源RepoForge Repo已经死亡
RPMForge/RepoForge is a dead project. It is not maintained. DO NOT USE.
https://wiki.centos.org/zh/AdditionalResources/Repositories/RPMForge
The repo & all the mirrors are presently inaccessible. The Centos wiki has flagged repoforge as a dead project. Any plans of reversing this? Too much important software here to lose it.