This document assembles computer code, supporting data, and supplementary materials necessary to implement the flow-population models developed as part of RC-2511, Flowpopulation models for tracking nonstationary changes in riparian and aquatic ecosystems. Materials are presented separately for the three modeling structures pertaining to riparian vegetation, fish, and aquatic invertebrates. All materials are available free to the public online at the URLs below. The first section of this document presents and abbreviated summary of the materials with only brief descriptions and direct web links. The second section adds detailed descriptions of linked content.