Hightail
 Hightail - formerly YouSendIt - is a cloud service that lets users send receive digitally sign and synchronize files. YouSendIt.com and YouSendIt Inc. were founded in 2004; the company renamed itself Hightail in 2013.The company's early focus was on helping users send files that were too large for email; in 2007 it started adding features and plug-ins for businesses in 2007. The service grew quickly and the firm raised $49 million in funding between 2005 and 2010.