Abstract: Methods, systems and computer program products of an online management portal which manages business and social activities among merchants and users in an online environment. During a user's visit of a merchant's establishment, the online management portal enables participants to check the user into the merchant's establishment, open a tab on the merchant, request for a check for the tab, and pay the tab with mobile electronic devices. In general, the online management portal also allows users to engage in online chatting, posting, sending and receiving orders of merchant products, and other social activities with their mobile electronic devices.