Callidus Software has acquired LeadRocket to add social media tools to its cloud marketing offerings.

Pleasanton-based Callidus nc. (NASDAQ: CALD), led by CEO Leslie Stretch, didn’t disclose the terms of its acquisition of the Redwood City startup led by CEO Sam Weber.

Callidus said it got three “important patents” in the deal.

LeadRocket’s backers include Emergence Capital, MohrDavidow, Accel, Deepfork, WTI and Catapult Advisors.

Click here to read the blog about the acquisition.

Click here to read the press release about the deal.