Here are some useful websites for you:
English:
www.masjidsunnah.org | Grand Rapids Michigan, USA
www.sunnahpublishing.net | USA
www.sunnahaudio.com | USA
www.salaficonference.com | USA
www.salafisounds.com | Birmingham UK
www.salaf.com | UK
www.aqidah.com | UK
www.themadkhalis.com | UK
www.asharis.com | UK
www.salafitalk.com | UK
www.SalafiPublications.com | Birmingham UK
www.islaam.ca | Toronto Canada
www.alBaseerah.com | Bradford UK
www.dusunnah.com | Shepherd’s Bush, London UK
www.cardiffdawah.co.uk | Cardiff, Wales UK
www.salaficentre.com | Manchester, UK
www.SalafiPublications.com | Birmingham UK
www.SalafiMasjid.com | Birmingham UK
www.markazmuaadh.com | Slough UK
www.Troid.ca | Toronto, Canada
www.germantownmasjid.com | Philadelphia USA
www.ah-sp.com | Abu Hakeem Bilaal Davis UK
www.abukhadeejah.com | Abu Khadeejah, Birmingham UK
www.salafiebooks.com | Abu Iyaad Amjad Rafiq UK
www.rahmaniyyahpublishing.wordpress.com | Abul-Hasan Maalik USA
Arabic:
www.alfawzan.af.org.sa | Shaikh al-Fawzaan Riyadh KSA
www.binbaz.org.sa | Shaikh Ibn Baaz KSA
www.ibnothaimeen.com | Shaikh Ibn Uthaimeen KSA
www.rabee.net | Shaikh Rabee ibn Haadee KSA
www.annahj.com | Shaikhs of Kuwait
www.sahab.net | Kuwait
www.ar.miraath.net | Jeddah KSA
www.njza.net | Shaikh Zayd al-Madkhalee KSA
www.elbukhari.com | Shaikh Abdullaah al-Bukhaaree KSA
More to be added, inshaa’Allaah.