Free software
http://www.soft32.com/

Everything about ID cards
http://www.id.ee/

Protect your computer
http://arvutikaitse.ee/

Sertification center- if you want to check your clients with id- all is here!
http://www.sk.ee/pages.php/0202

Estonian Informatics Centre
http://www.ria.ee/index.php?lang=en

E-voting
http://www.valimised.ee/index_eng.html

International dialing codes
http://kropla.com/dialcode.htm