Some popular Seismic software

SeiSee

SeisImager

Seisan

Slope

Geometrics Seismodule Controller

Seismograph Data Analysis

WinQuake

GeoSuite Essentials

Structural Codes Assistant

GPSeismic

kogeo seismic toolkit

Seismic Duck

RokDoc

Guralp Systems Scream

GSEGYView

Seismic Waves