LEADTOOLS Version 20 (January 30, 2018)
LEADTOOLS Version 19 (December 12, 2014 - July 18, 2017)
LEADTOOLS Version 18 (January 30, 2013)
LEADTOOLS Version 17.5 (July 12, 2011)
LEADTOOLS Version 17.0 (July 15, 2010)
LEADTOOLS Version 16.5 (June 16, 2009)