Revou is an advanced PHP driven social network program, it can enable us to operate micro blogging website similar to the Jaiku and Twitter.
It is completely changeable and has built-in API. Revou can support a lot of different languages. Its URLs are SEO friendly, profiles are changeable and it can support SMS/instant messaging/web.
By getting ReVou you will receive upgrades without any type of charges for one year. By using this you can enable the visitors to login by their present account because Revou supports 12 different service providers.