A financial services company and a technology firm have signed five-year leases at New York City's One World Trade Center.

The Durst Organization and the Port Authority of New York and New Jersey announced Tuesday that Tinypass and Casablanca Capital LLC will move into the skyscraper.

Tinypass creates e-commerce software that helps online publishers sell their content through paywalls or other means. It has leased 4,936 square feet on the 46th floor of the tower.

Casablanca Capital is an investment advisory firm that pursues activist strategies. The firm has leased 2,488 square feet, also on the 46th floor.

One World Trade was previously known as the Freedom Tower. The 1,776-foot tower is the tallest building in the United States.

Anchor tenant Conde Nast occupies 1.2 million square feet.