This work highlights the importance of informal control modes on software platforms regarding
their positive effects on third-party developers' behaviors and outcomes. The author presents
studies in the mobile software industry demonstrating how self-control and clan control
positively affect developers' outcome performance app quality and intentions to stay on
software platforms. Moreover the studies' findings shed light on the underlying explanatory
mechanisms of why informal control modes can be exercised effectively on software platforms and
how especially clan control may be facilitated through developers' social capital.
