摘要: This chapter draws attention to software process modeling for open source development. It proposes a three-layered development model. Its ‘definitional’ and ‘generic’ levels specify the common features of all fully-fledged projects. Its’ specific’ level allows describe fine-grained model fragments characteristics different In this chapter, specific is exemplified with release management NetBeans IDE Apache HTTP Server The underlying approach SPEM (Software Process Engineering Meta-model) from OMG. paper closes discussion interest explicit models (1) understanding communication, (2) comparison, reuse, improvement, (3) enactment support.