Similar to Twitter
Bondee
BuddyPress
BuddyPressClock over ORQUESTA
Craigslist
CraigslistEmployee Generated Media
Fotopedia
FotopediaFreedomBox
FreedomBoxFriend of a Friend
FOAFIEARN
INaturalist
INaturalistInterNations
Ipernity
IpernityITunes Ping
ITunes PingLang-8
Lang-8.comLiveConnect
LiveConnectLounge Lounge
Medium (Webサービス)
Medium (website)Mobion
Netlog
NetlogOpen Salon
Open SalonOpenSNP
OpenSNPOpenSocial
OpenSocialPixelfed
PixelfedPump.io
Pump.ioQQ空間
QzoneResearchGate
ResearchGateRktSNS
SCVNGR
SCVNGR