Some software I wrote got cited in a paper once. They had used it because it was readily available on the net. I didnt think anyone actually noticed.
It could load, slice, and iso-surface up to about a gig of data with only 128meg of ram. I provided C++ source to write the file format.
"Robust invisible watermarking of volume data using 3D DCT", doi:10.1109/CGI.2001.934699 , https://www.researchgate.net/publication/3904386_Robust_invi...