The following open source projects are referenced by BACnet Device Service:

glibc (GNU LGPL v2.1) https://www.gnu.org/software/libc/
https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=COPYING.LIB;hb=refs/heads/master

libmicrohttpd (GNU LGPL v2.1) https://www.gnu.org/software/libmicrohttpd/
https://www.gnu.org/software/libmicrohttpd/#license

yaml/libyaml (MIT) https://github.com/yaml/libyaml
https://github.com/yaml/libyaml/blob/master/License

curl/curl (curl) https://github.com/curl/curl
https://github.com/curl/curl/blob/master/COPYING

libuuid (BSD-3-Clause) https://github.com/util-linux/util-linux/tree/master/libuuid
https://github.com/util-linux/util-linux/blob/master/libuuid/COPYING

eclipse/paho.mqtt.c (Eclipse Public License 2.0) https://github.com/eclipse/paho.mqtt.c
https://github.com/eclipse/paho.mqtt.c/blob/master/LICENSE

redis/hiredis (BSD-3-Clause) https://github.com/redis/hiredis
https://github.com/redis/hiredis/blob/master/COPYING

PJK/libcbor (MIT) https://github.com/PJK/libcbor
https://github.com/PJK/libcbor/blob/master/LICENSE.md

IOTechSystems/iotech-c-utils (Apache 2.0) https://github.com/IOTechSystems/iotech-c-utils/tree/v1.5-branch
https://github.com/IOTechSystems/iotech-c-utils/blob/v1.5-branch/LICENSE

IOtechSystems/bacnet-stack (GNU GPL v2) https://github.com/IOTechSystems/bacnet-stack
https://github.com/IOTechSystems/bacnet-stack/blob/master/license/gpl-2.txt

edgexfoundry/device-sdk-c (Apache 2.0) https://github.com/edgexfoundry/device-sdk-c
https://github.com/edgexfoundry/device-sdk-c/blob/main/LICENSE