Tiger Global Management has led a $21 million Series B round for InVision, a cloud collaboration and workflow platform. Tiger Global was joined on the round by FirstMark Capital. InVision last raised funding in November 2013, grabbing an $11.6 million Series A round at a valuation of $41.6 million. The company's platform helps clients design, review and user-test product before writing any code, using tools for design prototyping, feedback, task management and version control. The new funds will be used to invest in product, engineering, customer service, sales and marketing divisions.