HydroDesktop is a free and open source GIS enabled desktop application that helps you search for, download, visualize, and analyze hydrologic and climate data registered with the CUAHSI Hydrologic Information System. HydroDesktop is part of the legacy CUAHSI toolkit and is not under active development. Click the "releases" link below to download the latest installer for Microsoft Windows.
jacobean[CodePlex] This was due to a plugin being uploaded and not given a icon url. I am working on the extension manager and will fix this so that a plugin can have no icon url.
twhitvine[CodePlex]
In extension manager, Online tab, I see nothing. It's been this way for a couple of months (starting in March).