RefMan
Reference Manager[1][2][3] was the first commercial reference management software package sold by Thomson Reuters. It was the first commercial software of its kind,[4] originally developed by Ernest Beutler and his son, Earl Beutler, in 1982 through their company Research Information Systems. Offered for the CP/M operating system, it was ported to DOS and then Microsoft Windows and later the Apple Macintosh. Research Information Systems was acquired by Thomson Business Information (later Thomson Reuters) in 1994. Subsequently, Thomson acquired EndNote and ProCite, the other two leading bibliographic management programs. Rich Niles, founder of EndNote, joined Thomson Reuters as head of that division, and put all development focus on EndNote. Sales of Reference Manager continued until December 31, 2015, and support ended on December 31, 2016.