term from Clay Shirky (2004): custom-built software for a small group (Creative Network) - doesn't have to worry about "scalability" of software, nor of community model (e.g. rules can be enforced in the Real World). And can be finely tuned to specific Context/requirements. Strong Ties?
aka Situational Software?
short Life Cycle? never as short as anyone expects...
the Long Tail of app-dev?
do Enterprise custom apps fall into this area?