Site9 has raised half a million dollars in funding from private investors for the marketing of its ProtoShare collaborative prototyping tool for web and mobile applications. In the first three quarters of 2012 the company experienced a 50% increase in sign-ups for its web-based service.

Portland, Ore. – November 13, 2012 – Site9, Inc., developer of ProtoShare, the first tool to bring fast, interactive and collaborative prototyping of web and mobile applications to teams, today announced that the company has raised $500,000 in a new round of equity funding. The investment round was funded by private investors. The news follows strong sign-up numbers for the web-based service, which experienced a 50% increase in the first three quarters of 2012 compared to the same time period last year.

“The company is operating profitably and we’re excited about the opportunities we have for growth,” said Bob Wiggins, CEO of Site9. “Successful completion of this round means that we will be able to fund some very important growth initiatives the company will be undertaking next year. It’s nice to be part of the ecosystem of successful software companies headquartered in the Portland area.”