Using a lot of Open Source Software, we feel we need to give back to community. We do this by contributing to certain projects, but also by using our high-speed infrastructure to share the cost of distributing Open Source Software. These are the Open Source mirrors we host :
| Project | Update frequency | URL |
| Apache | 6 hours | http://apache.cu.be |
| Archlinux | 6 hours | http://archlinux.cu.be |
| CentOS | 6 hours | http://centos.cu.be |
| Eclipse | 6 hours | http://eclipse.cu.be |
| Fedora | Hourly | http://fedora.cu.be |
| FOSDEM video archive | 6 hours | http://fosdem.cu.be |
| GNU | 6 hours | http://gnu.cu.be |
| Jenkins | 6 hours | http://jenkins.cu.be |
| MariaDB | 4 hours | http://mariadb.cu.be |
| Putty | 6 hours | http://putty.cu.be |
| Raspbian | 12 hours | http://raspbian.cu.be |
| Remi PHP | Hourly | http://remi.mirrors.cu.be |
| Repoforge | 6 hours | http://repoforge.cu.be |
| Ubuntu | 6 hours | http://ubuntu.cu.be |
| Cygwin | 6 hours | https://cygwin.cu.be |