prevision.io is described as '"Predict, intelligently manage, interpret behaviors, automate, Prevision.io brings artificial intelligence into your business at an affordable cost and unparalleled performance'. There are five alternatives to prevision.io, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Self-Hosted solutions. The best alternative is datarobot. It's not free, so if you're looking for a free alternative, you could try python auto-sklearn or ML.NET. Other great sites and apps similar to prevision.io are H2O.ai (Free, Open Source) and R Caret (Free Personal, Open Source).
H2O is an open source, in-memory, distributed, fast, and scalable machine learning and predictive analytics platform that allows you to build machine learning models on big data and provides easy productionalization of those models in enterprise env.
The caret package (short for _C_lassification _A_nd _RE_gression _T_raining) is a set of functions that attempt to streamline the process for creating predictive models. data splitting pre-processing feature selection model tuning using resampling.