Erlang vs Stan: What are the differences?
Erlang: A programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of Erlang's uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance. OTP is set of Erlang libraries and design principles providing middle-ware to develop these systems; Stan: A Probabilistic Programming Language. A state-of-the-art platform for statistical modeling and high-performance statistical computation. Used for statistical modeling, data analysis, and prediction in the social, biological, and physical sciences, engineering, and business.
Erlang can be classified as a tool in the "Languages" category, while Stan is grouped under "Machine Learning Tools".
Erlang and Stan are both open source tools. It seems that Erlang with 7.75K GitHub stars and 2.1K forks on GitHub has more adoption than Stan with 1.61K GitHub stars and 279 GitHub forks.