Links
| Site | Address |
| Porta Optica Study Latvian website | pos.lumii.lv |
| SEEFIRE project | www.seefire.org |
| GÉANT2 | www.geant2.net |
| EUMEDCONNECT | www.eumedconnect.net |
| OCCASION | www.ist-occasion.org |
| BELIEF project | www.beliefproject.org |
| BalticGrid | www.balticgrid.org |