The NIH has similar requirements in some RFAs, and has funded the creation and maintenance of a number of open-source, widely-used libraries such as ImageJ, the

The NIH has similar requirements in some RFAs, and has funded the creation and maintenance of a number of open-source, widely-used libraries such as ImageJ, the Visualization Toolkit, and the Insight Toolkit (either directly or indirectly via support for clinically-focused applications utilizing those).