Bulgarian sites:

propovedi.org
sionbg.org
bibliata.com
ChurchBG.com

International Missionary Organizations:

ad2000.org
brigada.org
calebproject.org
ccci.org
christian-info.com
cmmequip.org
d2000.org
gmi.org
goshen.com
jesusfilm.org
missionaries.com
missionfrontiers.org
perspectives.org
uscwm.org
wciu.edu
worldmap.org
xc.org
ywam.org