PDA (Personal Development Analysis) is described as 'Comprehensive business assessment testing tools including development assessments and performance assessments to help recruit and retain the right people'. There are four alternatives to PDA (Personal Development Analysis), not only websites but also apps for Facebook. The best alternative is Apply Magic Sauce, which is free. Other great sites and apps similar to PDA (Personal Development Analysis) are Five Labs (Free), Thomas International (Paid) and OMG Sales Assessments (Paid).
Apply Magic Sauce translates individuals' digital footprints into psychological profiles. It generates a Big Five Personality Profile, prediction of age, gender, sexual, religion and politics preferences.