Remarkably is raising more cash to meet early demand for its technology that helps apartment rental building owners, managers, investors, and developers with their marketing strategies. The Seattle startup announced a $4.1 million round led by Wildcat Venture Partners with participation from PSL Ventures, the venture arm of Seattle startpu studio Pioneer Square Labs. Remarkably was the 13th company to spin out of PSL earlier this year. Its software analyzes data from internal and external sources to help their clients figure out where they should spend their marketing dollars and ultimately lease their buildings to capacity.