Sweepstakes portal iWon.com has selected Jabber.com to provide its instant messaging services. Under the deal, iWon has licensed Jabber's software, which was created through open-source development. iWon said it will be offering sweepstakes entries and "cash points" rewards to people who download and install the service. The company awards a monthly $1 million prize as well as an annual $10 million prize. Consumers receive points as they travel throughout the site.