New Rovers manager Gary Bowyer has wasted little time in adding to his squad ahead of the 2013-14 season.
Judge returns to the club where he started his career, but only made only two senior appearances before joining Notts County in January 2011. The attacker joins Blackburn on a three-year deal until the summer of 2016.
Goalkeeper Eastwood arrives from Portsmouth and has put pen-to-paper on a deal until the summer of 2015.
Rovers' third signing will see winger Taylor return to his native north west after a year with Millwall on a two-year deal.