Software
  
  
    
      
        grtools
    
    
    
      GRT analyses in R
    
    
      
R package for the analysis of perceptual independence using General Recognition Theory. Includes functions to analyze data with GRT-wIND (Soto et al., 2015).
  
  
    
      
        FaReT
    
    
    
      Face Research Toolkit
    
    
      
A free and open-source toolkit of 3D models and software to study face perception.