Many espionage tools are designed by organizations that then sell or license their tools to 3rd parties. Just because the NSA used it doesn't mean they wrote it.
'Some reporters were surprised to learn that the University of Maryland had a "covert" NSA facility operating somewhere on or near the school grounds. [..] "Which facility and exactly where it was Snowden worked is unknown, but the NSA has connections to several university facilities, including the Laboratory for Physical Sciences, the Office of Technology Commercialization and the Lab for Telecommunication Science."'
There are probably hundreds of other organizations which work 'in partnership' with the intelligence community to develop programs which are essentially used to better their espionage and analysis capabilities. Almost all the Virginia/DC/Maryland area's tech companies are employed in one way or another by the federal government, usually for the military or an intelligence agency.
'Some reporters were surprised to learn that the University of Maryland had a "covert" NSA facility operating somewhere on or near the school grounds. [..] "Which facility and exactly where it was Snowden worked is unknown, but the NSA has connections to several university facilities, including the Laboratory for Physical Sciences, the Office of Technology Commercialization and the Lab for Telecommunication Science."'
http://www.motherjones.com/mojo/2013/06/university-maryland-...
Oh, and the University's college hacking team got 1st at the Major League Hacking Championship in 2013, winning over MIT, Carnegie Mellon and Rutgers. https://www.umdrightnow.umd.edu/news/umd-students-win-major-...
There are probably hundreds of other organizations which work 'in partnership' with the intelligence community to develop programs which are essentially used to better their espionage and analysis capabilities. Almost all the Virginia/DC/Maryland area's tech companies are employed in one way or another by the federal government, usually for the military or an intelligence agency.