The Erlang Public License is a deprecated computer software license applied to the Erlang programming language. It is a derivative work of the Mozilla Public License, containing terms which differ from MPL, mainly in terms of jurisdiction. The license is constructed in accordance with the laws of Sweden.
Erlang Public License Wikipedia
On June 12, 2015, Ericsson has announced at the Erlang User Conference 2015 that from the next major release, Erlang/OTP 18.0, it will start to ship Erlang/OTP under Apache License 2.0.