Understanding software development contexts is a precondition for better systems analysis and design. A starting point for us is a review of two existing typologies for software projects contexts proposed in 2005 by Bustard and Keenan and also by Alter and Browne. We propose a mapping of these contexts onto the System of Systems Methodologies by Jackson and Keys, a well-known grid whose dimensions include the diversity of stakeholder interests and the complexity of a problem situation. Thus we can explore in a unified way the various software development project situations discussed by Bustard and Keenan and also by Alter and Browne. That is useful also for justifying the application of a particular systems approach like Soft Systems Methodology by Checkland or the Work System Method by Alter within a particular software development project context.