The National Renewable Energy Laboratory, Sandia National Laboratories, and Pacific Northwest National Laboratory hosted a webinar on March 31st from 1:00-2:00 p.m. ET to share new developments in the Marine and Hydrokinetic Toolkit (MHKiT), an open-source software package developed in Python and Matlab that includes modules for ingesting, quality controlling, processing, visualizing, and managing marine energy data. The webinar introduced new functionality in the package, and included demonstrations in Python. Watch the recording below to learn about MHKiT functionality for ingesting modeled and observational river and tidal data, and performing resource assessments.