SystemStar implements two types of models:
COCOMO is the world's most widely used software estimation model.
Software project managers use SystemStar to produce estimates of a project's duration, staffing levels, effort, and cost. SystemStar lets you make trade-offs and experiment with "what-if" analyses to arrive at the optimal project plan.
COCOMO is described by Barry Boehm in his books Software Engineering Economics and Software Cost Estimation with COCOMO II.
COCOMO has continued to evolve and improve since its introduction. Read a brief history of COCOMO for a summary.
SystemStar supports the traditional COCOMO, and the most recent models:
Click here for an Overview of COCOMO.
Costar was our original COCOMO tool.
Costar has been largely superseded by SystemStar, which has more features, and implements more estimating models.
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Softstar Systems was founded in 1985 to develop and market the best and most economical software estimation tools. Our flagship product, SystemStar, also estimates systems engineering effort.
We offer free, unlimited, technical support for SystemStar.