Similar to GNU_social
Employee Generated Media
Fotopedia
FotopediaFreedomBox
FreedomBox
Friend of a Friend
FOAF
Google Buzz
Google BuzzHeello
Heello
Hello (ソーシャルネットワーク)
Hello (social network)Identi.ca
Identi.caIEARN
INaturalist
INaturalistInterNations
Ipernity
IpernityITunes Ping
ITunes Ping
LinkedIn
LinkedIn
Lang-8
Lang-8.com
Letterboxd
LetterboxdLINE Lite
LiveConnect
LiveConnectLounge Lounge
Mobion
Netlog
NetlogOkCupid
OkCupidOpen Salon
Open SalonOpenSNP
OpenSNPOpenSocial
OpenSocial
QQ空間
QzoneResearchGate
ResearchGateRktSNS