diff --git a/netutils/libcoap/CMakeLists.txt b/netutils/libcoap/CMakeLists.txt
new file mode 100644
index 000000000..5e26c4d35
--- /dev/null
+++ b/netutils/libcoap/CMakeLists.txt
@@ -0,0 +1,130 @@
+# ##############################################################################
+# apps/netutils/libcoap/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+if(CONFIG_NETUTILS_LIBCOAP)
+  set(LIBCOAP_DIR ${CMAKE_CURRENT_LIST_DIR}/libcoap)
+
+  if(NOT EXISTS ${LIBCOAP_DIR})
+    set(LIBCOAP_URL https://codeload.github.com/obgm/libcoap/zip/refs/tags)
+    set(LIBCOAP_VERSION ${CONFIG_LIBCOAP_VERSION})
+    FetchContent_Declare(
+      libcoap_fetch
+      URL ${LIBCOAP_URL}/v${LIBCOAP_VERSION} SOURCE_DIR ${LIBCOAP_DIR}
+          BINARY_DIR ${CMAKE_BINARY_DIR}/apps/netutils/libcoap
+      DOWNLOAD_NO_PROGRESS true
+      TIMEOUT 30)
+
+    FetchContent_GetProperties(libcoap_fetch)
+
+    if(NOT libcoap_fetch_POPULATED)
+      FetchContent_Populate(libcoap_fetch)
+    endif()
+  endif()
+
+  set(LIBCOAP_FLAGS -Wno-undef)
+  set(LIBCOAP_INCDIR ${CMAKE_CURRENT_LIST_DIR} ${LIBCOAP_DIR}/include
+                     ${NUTTX_APPS_DIR}/crypto/mbedtls/mbedtls/include)
+
+  target_include_directories(apps PUBLIC ${LIBCOAP_INCDIR})
+  target_compile_options(apps PRIVATE ${LIBCOAP_FLAGS})
+  target_sources(
+    apps
+    PRIVATE libcoap/src/coap_address.c
+            libcoap/src/coap_asn1.c
+            libcoap/src/coap_async.c
+            libcoap/src/coap_block.c
+            libcoap/src/coap_cache.c
+            libcoap/src/coap_debug.c
+            libcoap/src/coap_dtls.c
+            libcoap/src/coap_encode.c
+            libcoap/src/coap_event.c
+            libcoap/src/coap_hashkey.c
+            libcoap/src/coap_gnutls.c
+            libcoap/src/coap_io.c
+            libcoap/src/coap_layers.c
+            libcoap/src/coap_mbedtls.c
+            libcoap/src/coap_mem.c
+            libcoap/src/coap_net.c
+            libcoap/src/coap_netif.c
+            libcoap/src/coap_notls.c
+            libcoap/src/coap_openssl.c
+            libcoap/src/coap_option.c
+            libcoap/src/coap_oscore.c
+            libcoap/src/coap_pdu.c
+            libcoap/src/coap_prng.c
+            libcoap/src/coap_resource.c
+            libcoap/src/coap_session.c
+            libcoap/src/coap_str.c
+            libcoap/src/coap_subscribe.c
+            libcoap/src/coap_tcp.c
+            libcoap/src/coap_time.c
+            libcoap/src/coap_tinydtls.c
+            libcoap/src/coap_uri.c
+            libcoap/src/coap_ws.c
+            libcoap/src/oscore/oscore.c
+            libcoap/src/oscore/oscore_cbor.c
+            libcoap/src/oscore/oscore_context.c
+            libcoap/src/oscore/oscore_cose.c
+            libcoap/src/oscore/oscore_crypto.c)
+
+  set(LIBCOAP_API_VERSION 3)
+  set(LIBCOAP_PACKAGE_BUGREPORT "libcoap-developers@lists.sourceforge.net")
+  set(LIBCOAP_PACKAGE_NAME "libcoap")
+  set(LIBCOAP_PACKAGE_VERSION "${CONFIG_LIBCOAP_VERSION}")
+  set(LIBCOAP_PACKAGE_STRING
+      "${LIBCOAP_PACKAGE_NAME} ${LIBCOAP_PACKAGE_VERSION}")
+  set(LIBCOAP_PACKAGE_URL "https://libcoap.net/")
+  configure_file(${LIBCOAP_DIR}/include/coap3/coap.h.in
+                 ${LIBCOAP_DIR}/include/coap3/coap.h)
+
+  if(CONFIG_NETUTILS_LIBCOAP_EXAMPLE)
+    nuttx_add_application(
+      NAME
+      coap_server
+      SRCS
+      libcoap/examples/coap-server.c
+      INCLUDE_DIRECTORIES
+      ${LIBCOAP_INCDIR}
+      COMPILE_FLAGS
+      ${LIBCOAP_FLAGS}
+      DEPENDS
+      mbedtls
+      STACKSIZE
+      ${CONFIG_NETUTILS_LIBCOAP_EXAMPLE_STACKSIZE}
+      PRIORITY
+      ${CONFIG_NETUTILS_LIBCOAP_EXAMPLE_PRIORITY})
+
+    nuttx_add_application(
+      NAME
+      coap_client
+      SRCS
+      libcoap/examples/coap-client.c
+      INCLUDE_DIRECTORIES
+      ${LIBCOAP_INCDIR}
+      COMPILE_FLAGS
+      ${LIBCOAP_FLAGS}
+      DEPENDS
+      mbedtls
+      STACKSIZE
+      ${CONFIG_NETUTILS_LIBCOAP_EXAMPLE_STACKSIZE}
+      PRIORITY
+      ${CONFIG_NETUTILS_LIBCOAP_EXAMPLE_PRIORITY})
+  endif()
+endif()