diff --git a/mlearning/libnnablart/Kconfig b/mlearning/libnnablart/Kconfig
new file mode 100644
index 000000000..77a55b238
--- /dev/null
+++ b/mlearning/libnnablart/Kconfig
@@ -0,0 +1,20 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config NNABLA_RT
+	bool "NNABLA Runtime Libraries"
+	default n
+	---help---
+		This is a runtime library for inference Neural Networks
+		created by Neural Network Libraries.
+		https://github.com/sony/nnabla-c-runtime
+
+if NNABLA_RT
+
+config NNABLA_RT_VER
+	string "Default NNABLA Runtime version"
+	default 1.24.0
+
+endif # NNABLA_RT
diff --git a/mlearning/libnnablart/Make.defs b/mlearning/libnnablart/Make.defs
new file mode 100644
index 000000000..8a5487856
--- /dev/null
+++ b/mlearning/libnnablart/Make.defs
@@ -0,0 +1,26 @@
+############################################################################
+# apps/mlearning/libnnablart/Make.defs
+#
+# 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.
+#
+############################################################################
+
+ifeq ($(CONFIG_NNABLA_RT),y)
+CONFIGURED_APPS += $(APPDIR)/mlearning/libnnablart
+
+CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(APPDIR)/mlearning/libnnablart/nnabla-c-runtime/include/nnablart/}
+CXXFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(APPDIR)/mlearning/libnnablart/nnabla-c-runtime/include/nnablart/}
+endif
diff --git a/mlearning/libnnablart/Makefile b/mlearning/libnnablart/Makefile
new file mode 100644
index 000000000..563638e74
--- /dev/null
+++ b/mlearning/libnnablart/Makefile
@@ -0,0 +1,126 @@
+############################################################################
+# apps/mlearning/libnnablart/Makefile
+#
+# 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.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+ifeq ($(CONFIG_NNABLA_RT),y)
+SRC = nnabla-c-runtime/src
+
+CSRCS   += $(SRC)/functions/utilities/accessor.c
+CSRCS   += $(SRC)/functions/utilities/fixedpoint.c
+CSRCS   += $(SRC)/functions/utilities/list.c
+CSRCS   += $(SRC)/functions/utilities/shape.c
+CSRCS   += $(SRC)/functions/implements/activation/sigmoid.c
+CSRCS   += $(SRC)/functions/implements/activation/relu.c
+CSRCS   += $(SRC)/functions/implements/activation/tanh.c
+CSRCS   += $(SRC)/functions/implements/activation/softmax.c
+CSRCS   += $(SRC)/functions/implements/activation/selu.c
+CSRCS   += $(SRC)/functions/implements/activation/elu.c
+CSRCS   += $(SRC)/functions/implements/activation/prelu.c
+CSRCS   += $(SRC)/functions/implements/activation/leakyrelu.c
+CSRCS   += $(SRC)/functions/implements/activation/crelu.c
+CSRCS   += $(SRC)/functions/implements/activation/celu.c
+CSRCS   += $(SRC)/functions/implements/activation/swish.c
+CSRCS   += $(SRC)/functions/implements/math/abs.c
+CSRCS   += $(SRC)/functions/implements/math/batch_matmul.c
+CSRCS   += $(SRC)/functions/implements/math/exp.c
+CSRCS   += $(SRC)/functions/implements/math/identity.c
+CSRCS   += $(SRC)/functions/implements/math/log.c
+CSRCS   += $(SRC)/functions/implements/math/round.c
+CSRCS   += $(SRC)/functions/implements/quantization/binary_tanh.c
+CSRCS   += $(SRC)/functions/implements/quantization/binary_sigmoid.c
+CSRCS   += $(SRC)/functions/implements/quantization/binary_connect_affine.c
+CSRCS   += $(SRC)/functions/implements/quantization/binary_weight_affine.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/add_scalar.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/arithmetic.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/arithmetic_fixed.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/arithmetic_generic.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/div2.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/mul2.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/mul_scalar.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/pow2.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/pow_scalar.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/r_div_scalar.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/r_pow_scalar.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/r_sub_scalar.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/sub2.c
+CSRCS   += $(SRC)/functions/implements/arithmetic/add2.c
+CSRCS   += $(SRC)/functions/implements/logical/maximum_scalar.c
+CSRCS   += $(SRC)/functions/implements/logical/minimum_scalar.c
+CSRCS   += $(SRC)/functions/implements/logical/maximum2.c
+CSRCS   += $(SRC)/functions/implements/logical/minimum2.c
+CSRCS   += $(SRC)/functions/implements/logical/sign.c
+CSRCS   += $(SRC)/functions/implements/array/matrix_diag.c
+CSRCS   += $(SRC)/functions/implements/array/matrix_diag_part.c
+CSRCS   += $(SRC)/functions/implements/array/reshape.c
+CSRCS   += $(SRC)/functions/implements/array/concatenate.c
+CSRCS   += $(SRC)/functions/implements/array/split.c
+CSRCS   += $(SRC)/functions/implements/array/stack.c
+CSRCS   += $(SRC)/functions/implements/array/shift.c
+CSRCS   += $(SRC)/functions/implements/array/slice.c
+CSRCS   += $(SRC)/functions/implements/array/flip.c
+CSRCS   += $(SRC)/functions/implements/array/transpose.c
+CSRCS   += $(SRC)/functions/implements/array/pad.c
+CSRCS   += $(SRC)/functions/implements/neural_network/pooling.c
+CSRCS   += $(SRC)/functions/implements/neural_network/max_pooling.c
+CSRCS   += $(SRC)/functions/implements/neural_network/sum_pooling.c
+CSRCS   += $(SRC)/functions/implements/neural_network/average_pooling.c
+CSRCS   += $(SRC)/functions/implements/neural_network/unpooling.c
+CSRCS   += $(SRC)/functions/implements/neural_network/deconvolution.c
+CSRCS   += $(SRC)/functions/implements/neural_network/affine/affine.c
+CSRCS   += $(SRC)/functions/implements/neural_network/affine/affine_fixed8.c
+CSRCS   += $(SRC)/functions/implements/neural_network/affine/affine_fixed16.c
+CSRCS   += $(SRC)/functions/implements/neural_network/affine/affine_generic.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/convolution.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/convolution_generic.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/convolution_float.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/convolution_int8.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/convolution_int16.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/convolution_common.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/binary_connect_convolution.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/binary_weight_convolution.c
+CSRCS   += $(SRC)/functions/implements/neural_network/convolution/depthwise_convolution.c
+CSRCS   += $(SRC)/functions/implements/normalization/batch_normalization.c
+CSRCS   += $(SRC)/functions/implements/normalization/mean_subtraction.c
+CSRCS   += $(SRC)/functions/implements/stochasticity/dropout.c
+CSRCS   += $(SRC)/functions/implements/reduction/sum.c
+CSRCS   += $(SRC)/functions/implements/unimplemented.c
+CSRCS   += $(SRC)/runtime/function_context.c
+CSRCS   += $(SRC)/runtime/runtime.c
+CSRCS   += $(SRC)/runtime/runtime_internal.c
+
+CFLAGS += -Wno-shadow -Wno-format
+
+BIN = libnnablart$(LIBEXT)
+
+nnabla.zip:
+	$(Q) curl -L https://github.com/sony/nnabla-c-runtime/archive/refs/tags/v$(CONFIG_NNABLA_RT_VER).zip -o nnabla.zip
+	$(Q) unzip -o nnabla.zip
+	$(Q) mv nnabla-c-runtime-$(CONFIG_NNABLA_RT_VER) nnabla-c-runtime
+
+context:: nnabla.zip
+
+distclean::
+	$(call DELDIR, nnabla-c-runtime)
+	$(call DELFILE, nnabla.zip)
+
+endif
+
+include $(APPDIR)/Application.mk