Some popular Seismic software

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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