Source code pulled from OpenBSD for LibreSSL - this includes most of the library and supporting code. The place to contribute to this code is via the OpenBSD CVS tree. Please mail patches to firstname.lastname@example.org, instead of submitting pull requests, since this tree is often rebased.
LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to email@example.com are welcome.