Build massively scalable soft real-time systems


Erlang/OTP 18.2.1 has been released

18 Dec 2015

Erlang/OTP 18.2.1 has been released! New binaries for Windows.

Erlang/OTP 18.2 has been released

16 Dec 2015

Erlang/OTP 18.2 has been released!

Erlang/OTP - 17 Years of Open Source

9 Dec 2015

December 8th 2015 marks the seventeenth year since Erlang/OTP was released as open source.


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