Build massively scalable soft real-time systems


Erlang/OTP 20.1 is released

27 Sep 2017

Erlang/OTP 20.1 is a service release containing mostly bug fixes and characteristics improvements but also some new features.

Erlang/OTP 20.0 is released

21 Jun 2017

Erlang/OTP 20.0 is a new major release with new features, quite a few (characteristics) improvements, as well as a few incompatibilities.

Erlang/OTP 20.0-rc2 is available for testing

31 May 2017

Erlang/OTP Release Candidate 2 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