The Essential Unified Process is a lightweight, agile, freely available, easy to use, “open source” process. It is a new generation of the Unified Process, a fresh start that draws upon more than 15 years of experience of applying, supporting, developing, promoting and tailoring the Unified Process, It focuses on the essential practices that we believe all software development projects should apply. It has removed everything that is not essential, it has substantially improved the practices that it has kept and it has added some important new ideas that simplify and strengthen the new process. Read more on The Essential Unified Process – an introduction.