The following developers have contributed to the development of the GMSV Toolkit software package.
- Norm Abrahamson, Pacific Gas & Electric (PG&E)
- John Anderson, University of Nevada, Reno (UNR)
- Ralph Archuleta, University of California Santa Barbara (UCSB)
- Domniki Asimaki, California Institute of Technology (Caltech)
- Karen Assatourians, Western University, Canada
- Gail Atkinson, Western University, Canada
- Shima Azizzadeh-Roodpish, University of Memphis
- Jeff Bayless, AECOM
- Scott Brandenberg, University of California Los Angeles (UCLA)
- Alexander Nikolas Breuer, Friedrich Schiller University Jena
- Scott Callaghan, Statewide California Earthquake Center (SCEC)
- Jorge Crempien, Pontificia Universidad Católica de Chile
- Christine Goulet, Statewide California Earthquake Center (SCEC)
- Robert Graves, United States Geological Survey (USGS)
- Behzad Hassani, British Columbia Hydro and Power Authority (BC Hydro)
- Asako Iwaki, National Research Institute for Earth Science and Disaster Resilience (NIED)
- Chen Ji, University of California Santa Barbara (UCSB)
- Thomas H. Jordan, Statewide California Earthquake Center (SCEC)
- Naeem Khoshnevis, University of Memphis
- Philip Maechling, Statewide California Earthquake Center (SCEC)
- Hiroe Miyake, Earthquake Research Institute, University of Tokyo
- Kim Olsen, San Diego State University (SDSU)
- Arben Pitarka, Lawrence Livermore National Laboratory (LLNL)
- Sanaz Rezaeian, United States Geological Survey (USGS)
- William Savran, San Diego State University (SDSU)
- Jian Shi, California Institute of Technology (Caltech)
- Fabio Silva, Statewide California Earthquake Center (SCEC)
- Andreas Skarlatoudis, AECOM
- Patrick Small, Statewide California Earthquake Center (SCEC)
- Paul Somerville, AECOM
- Seok-Goo Song, Korea Institute of Geoscience and Mineral Resources (KIGAM)
- Ricardo Taborda, Universidad EAFIT
- Rumi Takedatsu, San Diego State University (SDSU)
- Nan Wang, San Diego State University (SDSU)
- Ke Xu, San Diego State University (SDSU)