Scorum.com - Become a paid sports blogger
Zoiper - Cross-platform VoIP softphone dialer for SIP and IAX systems
Fanly - Keep up with all of your favorite sports teams
MicroSIP - MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack.
Grandstand - Sports highlights straight from the crowd
Sipnetic - Sipnetic is a free VoIP softphone based on the SIP protocol.