VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
WiFi Map - A crowdsourced list of routers and passwords
foobar2000 - An advanced freeware audio player for the Windows platform.
WifiMapper - Find free WiFi anywhere in the world
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
Instabridge - Crowdsourced free wifi (now on Android)