The initial Github version is release 44R2 of the CWP/SU:Seismic Un*x package
We are now at RELEASE 4426
I forked SeisUnix in order to make it non-interactive on build it in Docker. See our docker image in:
https://github.com/maltempi/SeisUnixContainer https://hub.docker.com/r/maltempi/seisunix
Official SeisUnix repo: https://github.com/JohnWStockwellJr/SeisUnix