Appendix.

This article is designed to serve as a reference for researchers and clinicians interested in extant evidence-based programs designed to promote healthy youth development. This article begins with a review of 2 freely available online registries of evidence-based youth development programs. Both registries compile information on healthy youth development programs and rate such programs on pre-established criteria. This article also outlines several specific model programs, which intervene on a variety of targets to promote healthy youth development. Lastly, this article also outlines emerging youth development programs. The model and emerging programs reviewed have resulted in myriad positive outcomes.