aboutecho.com/echoAppStore has real-time comments, forums, and tons of social apps that integrate easily to other services via JS.
amazium.co.uk is another adaptive grid framework based off the 960 Grid System aaaand it’s based in pixels. #useful cc/ @nathansmith
Twicca is by far a superior Twitter client for Android: http://t.co/bpiMaLIx Beautiful metro UI.