Make sure your equity generates wealth, not a shocking tax bill. Stock options, RSUs, job offers, and taxes—a detailed reference, including hundreds of resources, explained from the ground up, for employees and managers.

• The Open Guide to Equity Compensation @ GitHub.

Open models to compute tax and benefit systems. OpenFisca is a versatile microsimulation free software. The most widely adopted free and open-source engine to write rules as code.

Government departments, lawmakers and civil society finally share a common language to debate and activate social and fiscal policies: OpenFisca enables collaboratively modelling laws and regulations and making them computable over open APIs for developers, datascientists and researchers.

• OpenFisca @ GitHub.