San Francisco – San Francisco-based software company ShareThis has announced that it's raised $15 million from Draper Fisher Jurvetson, Reservoir Venture Partners, RPM Ventures, and Blue Chip Venture in a second round of funding, CNET reports.

Since it was founded in June 2005, the company has drawn a total of $21 million, CNET reports.

"ShareThis develops an all-in-one widget that lets people share any content on the Web with friends via e-mail, phone, or text message."