San Mateo, Calif. - Ohai, a game developer focused on massively multiplayer and social games, has raised an undisclosed sum of funding from August Capital and Rustic Canyon Partners, VentureBeat reported.

Sunnyvale, Calif. - Tzero Technologies, a developer of technology used in the wireless distribution of high definition video, said on Monday that it has raised $18 million in its third round of funding, led by the CID Group.

San Francisco - VideoEgg, a video advertising network for social networks and other online communities, announced on Wednesday that it has raised $15 million in a new round of financing, led by Focus Ventures.

Palo Alto, Calif. - Jaxtr, a provider of Internet phone services for social networks and blogs, said on Tuesday that it has raised $10 million in its first round of funding, led by August Capital.