# What is SOFI2D?SOFI2D stands for Seismic mOdeling with FInite differences and denotes our 2-D viscoelastic time domain massive parallel modeling code for P- and SV-waves. The manual and a reference paper is included in the download archive or can be downloaded [here](https://git.scc.kit.edu/GPIAG-Software/SOFI3D/wikis/home)# Conditions for the Use of the SoftwareSOFI2D is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.0 of the License only.SOFI2D is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.You will receive a copy of the GNU General Public License along with the SOFI2D download package. See file [COPYING](/COPYING) and/or [online](http://www.gnu.org/licenses/gpl-2.0.html)# Download and NewsletterYou can Download the [latest Release](https://git.scc.kit.edu/GPIAG-Software/SOFI2D/tree/Release) or the current [Beta-Version](https://git.scc.kit.edu/GPIAG-Software/SOFI2D/tree/master).Additional a SOFI2D branch with benchmarks is available: [overnightbuilt](https://git.scc.kit.edu/GPIAG-Software/SOFI2D/tree/overnightbuilt)To receive news and updates please [register](https://www.gpi.kit.edu/Software.php) on the email list email@example.com. Please use this list also to ask questions on using the software or to report problems or bugs.