Most of seismic commercial software are very expensive. If you are looking for something with a good quality/price relationship, maybe Seismic Unix is the best option. It is an open source seismic utilities package running on Mac OS X, Linux, Free BSD Unix, and the Cygwin32 system for Windows PCs.
Here http://www.cwp.mines.edu/cwpcodes/index.html you can download a copy of the latest release.
The GêBR plataform is also an open source based on Seismic Unix, ease to install and use. We are using it in the graduate and undergraduate geophysics courses at Fed. Univ. of Bahia.
Dear colleagues and friends, I need seismic reflection data for processing in a free software for master students. if there is someone who has some data, please send them.
Phan, your question is about analyses of post-stack data (final section) or raw section or profiles . What type of analysis do you refer ...you are talking about HRLN, (processing or interpretation data). The high resolution data are bottom seismic profiles? you can use different free software for interpretation or processing...
Geovation from CGG and Omega from Schlumberger are excellent comprehensive seismic data processing software, but it might be expensive.
However, if you are looking for cheap commercial software, you should look for smaller companies like Reveal from Shearwater, GLOBEClaritas from Petrosys, etc. They might offer academic licenses if you are working in academic institutes.
If you look for opensource software, you should check Madagascar and Seismic Unix for data processing, and check OpendTect for seismic interpretation. SeiSee from DMNG is a good viewer and basic analysis tool for seismic data in SEG-Y format.
If you're thinking of a good software loaded with all tools for noise removal, decon, vel analysis, migration, etc. I see it's almost impossible to get all of these options in a free software.