A desktop phone utility for VoIP calling.
Nymgo can make VoIP calls, call landlines and cell phones and send SMS messages.
A remote mobile phone manager with extra Sony support.
SonicHANDY can manage contacts, backup phone data and send SMS messages.
Open source VoIP via SIP with video support and instant messaging.
Ekiga can make VoIP calls, call landlines and cell phones, video conference and send SMS messages.
Send SMS messages from your PC to a mobile phone.
Remote SMS is software which can send SMS messages.
Two-way communication to any mobile handset.
FrontlineSMS is software which can send SMS messages.
Surf public pay-as-you-go WiFi hotspots with your Skype account.
Skype WiFi for W8 can make VoIP calls, text chat, call landlines and cell phones, chat with groups, video conference and send SMS messages.
Freeware multiprotocol IM client.
Digsby can text chat, connect to multiple IM networks, video conference and send SMS messages.