Build massively scalable soft real-time systems


Erlang OTP 22.1 is released

18 Sep 2019

Erlang/OTP 22.1 is the first service release for the 22 major release with new features, improvements as well as bugfixes

Erlang OTP 22.0 is released

14 May 2019

Erlang/OTP 22.0 is a new major release with improvments and new features, as well as some incompatibilities.

Erlang OTP 22.0-rc3 is available for testing!

24 Apr 2019

Erlang/OTP 22 Release Candidate 3 is available for testing


What is Erlang?


Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its 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.

Erlang Quickstart

What is OTP?


OTP is set of Erlang libraries and design principles providing middle-ware to develop these systems. It includes its own distributed database, applications to interface towards other languages, debugging and release handling tools.

Getting Started with OTP