LWTOOLS is a set of cross-development tools for the Motorola 6809 and Hitachi 6309 microprocessors.
It supports assembling to raw binaries, CoCo LOADM binaries, and a proprietary object file format for later linking.
LWTools 4.17 http://www.lwtools.ca/
Built and working on:
gcc (Debian 8.3.0-6) 8.3.0 https://gcc.gnu.org/
Debian GNU/Linux 10 (buster) update 2 https://www.debian.org/
Linux 4.19.67 https://kernel.org