Are there scientific alternatives to Neuro-Linguistic Programming (NLP)? According to these answers 1, 2 and to wikipedia, NLP seems to be a pseudoscience, which has shown no real effectiveness, and so on.

Are there scientific proved alternatives to NLP?
In general positive psychology, coaching, and counselling are all fields that endeavour to help people achieve their potential. All these areas have scientific literature built around them. That said, there is a degree to which coaching and counselling are practical skills. Most psychologists aspire to follow the scientist-practitioner model. That said, specific practitioners may vary in the degree to which they follow this model versus using more intuitive approaches.