San Francisco - ON24, a provider of webcasting and virtual events services, announced on Tuesday that it has secured over $8 million in new equity and expansion capital financing.

Woodland Hills, Calif. - ReachLocal, a provider of local digital advertising and marketing services, announced on Tuesday that it has raised $55.2 million in its fourth round of venture capital financing, led by Rho Ventures.

Hackensack, N.J. - Vidyo, a provider of Internet-based, high-definition video conferencing technology, has raised $12 million in its second round of venture capital, led by Rho Ventures.

Vancouver, Canada - NowPublic, a Vancouver, Canada-based citizen journalism site, has raised $10.6 million in its first round of financing, led by Rho Ventures and Rho Canada, the Associated Press reported on Monday.

San Diego - Slacker, the developer of a desktop music player and Wi-Fi-enabled portable music player, has raised $40 million in its second round of funding, PEHub.com reported.