Facebook has open-sourced its Prophet forecasting tool. It is designed to easily make high quality forecasting available to both experts and non-experts. Prophet is aimed specifically at businesses that have at least several months of data, preferably a year or more and issues such as seasonality i.e holidays that can affect trends as well as events that can have significant impacts such as launching a new website when trying to forecast site traffic.
The code is available on GitHub in both Python and R.
