I've been thinking about this situation myself this last month and wanted to help give back to the OSS community as a designer/front-end developer - but I didn'

I've been thinking about this situation myself this last month and wanted to help give back to the OSS community as a designer/front-end developer - but I didn't know where to start. I'm considering building a simple matchmaking site that lets open source project developers request for design/front-end help and for designers/front-enders to offer up their time as well. Would anyone be interested in this if I built it or has this already been done?