License and acknowledgement
Antler/86
Original Antler/86 operating-system source is distributed under the GNU General Public License, version 2 only.
ELKS
Antler acknowledges the Embeddable Linux Kernel Subset project. Imported or adapted areas include command sources, libc, compatibility headers, syscall behavior, boot material, and selected device paths. ELKS is a separate project and is not responsible for Antler changes.
Third-party source
Vendored compiler, library, command, and artwork-derived source keeps its own notices. A specific notice in a file or subtree controls that material and must remain with redistributed copies.
The repository contains COPYING for the GPL v2 text,
LICENSE for the project notice and detailed lineage, and
per-component notices beside imported source.