Slovenian:
Astronomical societies:
AD Gostosevci - Velenje
AD Javornik - Ljubljana
AD Kmica - Murska Sobota
AD Komet - Kamnik
AD Kosci - Sentjur
AD Nek - Krsko
AD Nova - Jesenice
AD Orion - Maribor
AD Polaris - Muta
AD Saturn - Petrovce
AD Teleskop - Nova Gorica
Ustvarjalno astronomsko drustvo - Ljubljana
AD Vega - Ljubljana

Slovenian observatories:
Observatory Crni Vrh
Observatory Golovec
Observatory Rezman

Astronomical forums:
Slovenska astronomska skupnost
Forum Centralno Vesolje
Slovenski astronomski forum - Galaksija

Individual astronomers:
Cigler Primoz
Kac Javor
Krulec Simon
Stare Jurij
Ucman Nejc

Trade with astronomical equipment:
V-commerce

Other:
Spaceweather
SEC - Space Environment Center
Atmospheric Optics
SOHO - Solar And Heliospheric Observatory
ICQ - International Comet Quarterly
Cloudy Nights Forum