diff --git a/var/spack/repos/builtin/packages/gxsview/package.py b/var/spack/repos/builtin/packages/gxsview/package.py
new file mode 100644
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+++ b/var/spack/repos/builtin/packages/gxsview/package.py
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+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Gxsview(QMakePackage):
+    """Gxsview is a stand-alone multi-platform integrated tool to visualize input
+    data of Monte Carlo radiation transport calculation code, MCNP5, and PHITS3.
+
+    It consists of 3D, 2D, cross-section, and input file viewers.
+    Also, this software is capable of exporting in 2D(png, jpg, and xpm)
+    or 3D(stl, vtk, vtp and ply) formats."""
+
+    homepage = "https://www.nmri.go.jp/study/research_organization/risk/gxsview/en/index.html"
+    url      = "https://www.nmri.go.jp/study/research_organization/risk/gxsview/download/gxsview-2021.07.01-src.zip"
+
+    # Support email for questions ohnishi@m.mpat.go.jp
+    maintainers = ['cessenat']
+
+    version('2021.07.01', '000f9b4721d4ee03b02730dbbfe83947f96a60a183342b127f0b6b63b03e8f9a')
+
+    depends_on('fontconfig')
+    depends_on('qt@5.14.0:+opengl+gui')
+    depends_on('vtk@8.0:+qt+opengl2')  # +mpi+python are optional
+    conflicts('%gcc@:7.2.0', msg='Requires C++17 compiler support')  # need C++17 standard
+
+    build_directory = 'gui'
+
+    def qmake_args(self):
+        vtk_suffix = self.spec['vtk'].version.up_to(2)
+        vtk_lib_dir = self.spec['vtk'].prefix.lib
+        vtk_include_dir = join_path(self.spec['vtk'].prefix.include,
+                                    'vtk-{0}'.format(vtk_suffix))
+        args = [
+            'VTK_LIB_DIR={0}'.format(vtk_lib_dir),
+            'VTK_INC_DIR={0}'.format(vtk_include_dir),
+            'VTK_MAJOR_VER={0}'.format(str(vtk_suffix)),
+        ]
+        return args
+
+    def install(self, spec, prefix):
+        mkdirp(prefix.bin)
+        install(join_path('gui', 'gxsview'), prefix.bin)