Make sure that your computer meets the system requirements.
jacksum-1.7.0.zip (July 30, 2006)
Size: 446595 bytes
All packages in this section contain an operating specific installer and the Jacksum binary.jacksum-1.7.0-windows-explorer-integration-1.4.0.zip (February 28, 2016)
Filesize: 305644 bytes
jacksum-1.7.0-linux-file-browser-integration-1.3.0.tar.bz2 (March 12, 2016)Filesize: 202729 bytes
works with Caja, Dolphin, Konqueror, Krusader, Nemo, Nautilus, ROX-Filer, Thunar and Xfe
jacksum-1.7.0-macos-finder-integration-1.1.3.dmg (June 9, 2017)Filesize: 935138 bytes
The long list of contributors can always be found in the latest download package and in the copyright section. The founder and lead for this project is Johann N. Löfflmann from Germany. Since 2002 he has been working with very talented people all around the world in order to improve Jacksum further.