Erlang/OTP R16B02 has been released!

R16B02 Readme File

R16B02 Source File (62.9 MB)

R16B02 Windows 32-bit Binary File (90.4 MB)

R16B02 Windows 64-bit Binary File (91.6 MB)

R16B02 HTML Documentation File (31.7 MB)

R16B02 Man Pages File (1.2 MB)


  • New erl option +SP to set schedulers by percentages.

  • A new test scope has been added which is meant to be used for making sure that the Erlang VM and other platform specific libraries have been compiled correctly for your system.

  • Added application:ensure_all_started/1-2.

  • ~40 open source contributions

Additional Packages

Erlang/OTP is also distributed in pre built packages courtesy of Erlang Solutions.
There are pre built packages for platforms such as: Raspbian, Ubuntu, Fedora, OS X, and more!.
Erlang Solutions Downloads page


From OTP 18 and above, Erlang/OTP is distributed under Apache License 2.0. The previous versions are distributed under the Erlang Public License (EPL) that is a derivative work of the Mozilla Public License (MPL). It contains terms which differ from MPL, mainly in terms of jurisdiction. The license is constructed in accordance with the laws of Sweden.

To help you understand the legal text there is an EPL Translation. The legal text is the license, so if you have any doubts, refer to the legal text.

Available releases

PDF files are included in the Windows installer and in the HTML documentation tarballs, starting with the R13B03 release.

There is a file containing MD5 checksums for all files in the download directory, also reachable through rsync

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