Twitter
- WeLoveKyuSung: focuses on official stuff, such as news, pictures and videos.
- yekyu_pics: posts pictures, gifs and short videos.
- incorrectyekyu: focuses more on incorrect quotes/fanmade short stories, and hosts events such as KyuSung Day.
- myYeKyu: various stuff about Yesung and Kyuhyun.
- KyuSung_ID: shares lots of different stuff too.
- kyusungcentral: also various posts (inactive since 2015).
Youtube
- WeLoveKyuSung: mostly compilations of KyuSung moments.
- WeLoveKyuSung2: another WeLoveKyuSung account.
- Staring Whispers: lots of KyuSung fanvids.
Tumblr
- fuckyeahkyusung: "all things KyuSung" (inactive since 2013).
LiveJournal
- KyuSung community: mostly fanfictions (inactive since 2012).
- KyuSung Fest: two anonymous fanfic challenges (2012 and 2013 masterlists).
Forum
- Voice Your Song: still a project (inactive since 2011).
