.J2K file extension
This is the list of programs to work with .J2K extension
"Photo-Lux" is an easy-to-use but powerful and fast image viewer and more.
ForceVision is the best image viewer considering its speed.
BS Contact is a realtime and online capable 2D/3D viewer.
MySQL Tools for
A fast multi-format graphics browser, viewer and converter.
The TatukGIS Editor is a desktop GIS mapping and data editing application.
HoneyView is an easy-to-use image viewer with filters and effects.
It is a general purpose GIS desktop mapping and data editing application.