Our software development process is primarily based on the Rational Unified Process (RUP) of IBM Rational Software - http://www.rational.com, to which we have added some activities and pertinent features, such as:
ISO recommendations by the International Organization Standardization -
www.iso.ch (especially those included in the ISO 9000-3: 1997 standard;
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Capability Maturity Model for Software (SW-CMM)V1.1 , by SEI Software Engineering Institute -
www.sei.cmu.edu (key process fields defined in maturity levels 2 and 3).
RUP is a framework for software engineering processes developed by Rational Software Corporation that officially adopts the best six practices found in modern software development projects: