Attensa, Inc., a developer of RSS network infrastructure software, has announced that it completed a Series B equity funding led by RSS Investors, an investment fund specializing in companies based on RSS technology. RSS Investors participated in the $9 million round along with existing investors SmartForest Ventures. The new funding brings the total investment to date to $12 million. The capital will be used to fund development of the Attensa RSS product line including Web based RSS reader/aggregator infrastructure, RSS clients for PCs and mobile devices, and servers supporting RSS applications in the enterprise. SmartForest provided the company's early stage capital.