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Tax-Calculator is an open-source microsimulation model for static analysis of USA federal income and payroll taxes.
We are seeking contributors and maintainers. If you are interested in joining the project as a contributor or maintainer, open a new issue and ping @MattHJensen or @jdebacker -- or just jump right in. The contributor guide explains the workflow involved in contributing model enhancements.
Complete documentation is available here. This documentation includes examples of how to analyze different ways of extending TCJA policy beyond 2025.
