dlmalloc 2.8.6 public-domain notice ==================================== The exact source bundled by Emscripten 4.0.19 is: https://github.com/emscripten-core/emscripten/blob/08e2de1031913e4ba7963b1c56f35f036a7d4d56/system/lib/dlmalloc.c Its source header states: This is a version (aka dlmalloc) of malloc/free/realloc written by Doug Lea and released to the public domain, as explained at http://creativecommons.org/publicdomain/zero/1.0/ Version 2.8.6, 29 August 2012.