These websites are useful for both muslims and non-muslims
you can find no. of quran,hadith,azan softwares here
www.guidedways.com
here no. of lectures,nasheeds,videos torrents
www.muslimtorrents.com
It is organised by Zakir Naik
www.peacetv.in
here you can find jobs
www.workhalal.com
and some more
www.shareislam.com
www.yusufestes.com
www.allahsquran.com
www.qtafsir.com
www.godallah.com
www.prophetofislam.com
www.islamcode.com
www.youtubeislam.com
www.scienceislam.com