Build massively scalable soft real-time systems


OTP 24.0 Release

12 May 2021

Erlang/OTP 24 is a new major release with new features, improvements as well as a few incompatibilities.

OTP 24.0 Release Candidate 3

20 Apr 2021

The third and final maintenance patch release for OTP 24

OTP 24.0 Release Candidate 2

26 Mar 2021

This is the second of three planned release candidates before the OTP 24 release.


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


Join the Erlang Ecosystem Foundation