He helped develop General Magic's personal digital assistant in the early 1990s, widely recognized as the precursor to the modern smartphone.
At Macromedia, Lynch led the Dreamweaver HTML authoring tool and introduced Flash to enable multimedia on the web, eventually reaching over 1 billion people.
He helped integrate the companies and develop new technology including a cross-OS application runtime called AIR, which enables an app to run across iOS, Android, Mac and Windows.
[2] During his time at Adobe, Lynch was a staunch advocate of Flash—Adobe's multimedia software platform—and had highly visible debates[3][4] with Apple CEO Steve Jobs for hindering the use of Flash on its mobile devices, the iPhone and iPad.
In a letter supporting Lynch's nomination for the honorary Doctor of Engineering degree, Apple's Chief Operating Officer Jeff Williams stated: “Truly brilliant technical minds exist.