Erlang/OTP 17.5 has been released!
OTP 17.5 Readme File
OTP 17.5 Source File
OTP 17.5 Windows 32-bit Binary File
OTP 17.5 Windows 64-bit Binary File
OTP 17.5 HTML Documentation File
OTP 17.5 Man Pages File
Some highlights of the release are:
ERTS: Added command line argument option for setting the initial size of process dictionaries.
Diameter: configurable incoming_max len and string_decode for diameter messages
Bugfixes and minor small features in applications such as compiler, common_test, crypto, debugger, eldap, erts, hipe, inets, ssh, ssl, ...
43 contributions from 32 different contributors
Compiling Erlang from source
You can build Erlang from source on your own, following the building and installation instructions. Or use the Kerl script. Kerl is a script that lets you easily build Erlang with a few commands. Follow the instructions to build.
Finding a source version
Follow this link that presents all released source versions, a link to the GitHub source tag, and to the README.
Pre-built Binary Packages
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Since OTP 18.0, Erlang/OTP is released under Apache License 2.0. The older releases prior to 18.0 were released under Erlang Public License (EPL), a derivative work of the Mozilla Public License (MPL).