Gee

• Gaia Online
• GamerDNA
• Gapyear.com
• Gather.com
• Gays.com
• Geni.com
• Gentlemint
• GetGlue
• GirlsAskGuys
• Gogoyoko
• Goodreads
• Goodwizz
• Govloop
• Grono.net
• Habbo
• Hospitality Club
• Hotlist
• HR.com
• Hub Culture