diff --git a/a/ADIOS2/ADIOS2-2.9.2-gompi-2020b.eb b/a/ADIOS2/ADIOS2-2.9.2-gompi-2020b.eb
new file mode 100644
index 00000000..d7513dba
--- /dev/null
+++ b/a/ADIOS2/ADIOS2-2.9.2-gompi-2020b.eb
@@ -0,0 +1,40 @@
+# IT4Innovations
+# LK 2023
+
+easyblock = "CMakeMake"
+
+name = "ADIOS2"
+version = "2.9.2"
+
+homepage = 'https://github.com/ornladios/ADIOS2/'
+description = """This is ADIOS2: The Adaptable Input/Output (I/O) System.
+ADIOS2 is developed as part of the United States Department of Energy's Exascale Computing 
+Project. It is a framework for scientific data I/O to publish and subscribe to data when 
+and where required.
+ADIOS2 transports data as groups of self-describing variables and attributes across different 
+media types (such as files, wide-area-networks, and remote direct memory access) using a 
+common application programming interface for all transport modes. ADIOS2 can be used on 
+supercomputers, cloud systems, and personal computers. """
+
+toolchain = {'name': 'gompi', 'version': '2020b'}
+
+source_urls = ['https://github.com/ornladios/ADIOS2/archive/refs/tags/']
+sources = ['v%(version)s.tar.gz']
+checksums = ['78309297c82a95ee38ed3224c98b93d330128c753a43893f63bbe969320e4979']
+
+builddependencies = [('CMake', '3.20.1')]
+
+dependencies = [
+    ('HDF5', '1.10.7'),
+    ('c-blosc', '1.21.0'),
+    ('libfabric', '1.11.0'),
+]
+
+separate_build_dir = True
+
+sanity_check_paths = {
+    'files': ['bin/adios2-config', 'include/adios2.h', 'include/adios2_c.h'],
+    'dirs': ['bin', 'include', 'lib64']
+}
+
+moduleclass = 'tools'
diff --git a/a/ANSYS/ANSYS-2023R2-intel-2022.12-alamerini.eb b/a/ANSYS/ANSYS-2023R2-intel-2022.12-alamerini.eb
new file mode 100644
index 00000000..80792e91
--- /dev/null
+++ b/a/ANSYS/ANSYS-2023R2-intel-2022.12-alamerini.eb
@@ -0,0 +1,37 @@
+# IT4Innovations
+# LK 2023
+
+name = 'ANSYS'
+version = '2023R2'
+versionsuffix = '-alamerini'
+
+homepage = 'http://www.ansys.com'
+description = """ANSYS simulation software enables organizations to confidently predict
+ how their products will operate in the real world. We believe that every product is
+ a promise of something greater. """
+
+toolchain = {'name': 'intel', 'version': '2022.12'}
+
+sources = [
+    {'filename': '%(name)s%(version)s_LINX64_DISK1.iso', 'extract_cmd': '7z x -aos %s'},
+    {'filename': '%(name)s%(version)s_LINX64_DISK2.iso', 'extract_cmd': '7z x -aos %s'},
+    {'filename': '%(name)s%(version)s_LINX64_DISK3.iso', 'extract_cmd': '7z x -aos %s'},
+]
+checksums = [
+    {'ANSYS2023R2_LINX64_DISK1.iso': '4f952592f1f95a6f3715dbaeb6e56b2625f6826a80c5842234406c7741f29e1f'},
+    {'ANSYS2023R2_LINX64_DISK2.iso': 'd02fd9e4db1a08dc867b771979f5d9ffa4d69fd94740e60444e856911fb89ce0'},
+    {'ANSYS2023R2_LINX64_DISK3.iso': 'd167f30a3cf632a234111e9a398dae6f824cb0eae5a7cb7afa1453474726de4a'},
+]
+
+#dependencies = [
+#   ('libGLU', '9.0.2'), # mame v systemu, pro jistotu zkusime bez protoze stary CentOS
+#   ('libnsl', '2.0.0'), # moc nove pro CentOS 7!!!
+#]
+
+osdependencies = [('p7zip', 'p7zip-plugins')]
+
+import os
+license_server = os.getenv('EB_ANSYS_LICENSE_SERVER', '150.217.19.70')
+license_server_port = os.getenv('EB_ANSYS_LICENSE_SERVER_PORT', '2335:1085')
+
+moduleclass = 'tools'
diff --git a/c/cuTENSOR/cuTENSOR-2.0.0.7-CUDA-12.2.0.eb b/c/cuTENSOR/cuTENSOR-2.0.0.7-CUDA-12.2.0.eb
new file mode 100644
index 00000000..0877d8f6
--- /dev/null
+++ b/c/cuTENSOR/cuTENSOR-2.0.0.7-CUDA-12.2.0.eb
@@ -0,0 +1,36 @@
+# IT4Innovations
+# LK 2023
+
+easyblock = 'Tarball'
+
+name = 'cuTENSOR'
+version = '2.0.0.7'
+versionsuffix = '-CUDA-12.2.0'
+
+homepage = 'https://developer.nvidia.com/cutensor'
+description = """The cuTENSOR Library is a GPU-accelerated tensor linear algebra library providing tensor contraction,
+ reduction and elementwise operations."""
+
+toolchain = SYSTEM
+
+source_urls = ['https://developer.download.nvidia.com/compute/cutensor/redist/libcutensor/linux-x86_64/']
+sources = ['libcutensor-linux-x86_64-%(version)s-archive.tar.xz']
+checksums = ['df6338aed18e5b6ae0c49521053d1606d2a41e187d7f5eccf9180af6bbc4ef68']
+
+dependencies = [
+    ('CUDA', '12.2.0')
+]
+
+sanity_check_paths = {
+    'files': ['include/cutensor.h', 'include/cutensor/types.h',
+              'lib/12/libcutensor.so',
+              'lib/12/libcutensor_static.a'],
+    'dirs': [],
+}
+
+modextrapaths = {
+    'LD_LIBRARY_PATH': ['lib/12'],
+    'LIBRARY_PATH': ['lib/12'],
+}
+
+moduleclass = 'lib'
diff --git a/n/NWChem/NWChem-7.2.2-intel-2020a-Python-3.8.2-karolina.eb b/n/NWChem/NWChem-7.2.2-intel-2020a-Python-3.8.2-karolina.eb
new file mode 100644
index 00000000..367daa04
--- /dev/null
+++ b/n/NWChem/NWChem-7.2.2-intel-2020a-Python-3.8.2-karolina.eb
@@ -0,0 +1,63 @@
+# IT4Innovations 
+# LK 2023
+# rucni kompilace - viz https://github.com/nwchemgit/nwchem/blob/master/INSTALL
+# src/:
+# sed -i "s|-xHost|-core-avx2|g" config/makefile-legacy.h
+# sed -i "s|-xHost|-core-avx2|g" config/makefile.h
+# make nwchem_config NWCHEM_MODULES="all python"
+# make USE_INTERNALBLAS=y USE_MPI=y
+# 
+# zkopirovat data:
+# cp bin/nwchem -> bin slozka
+# cp -r src/basis/libraries -> data slozka
+# cp -r src/data/* -> data slozka
+# cp -r src/nwpw/libraryps -> data slozka
+# eb NWChem-7.0.2-intel-2020a-Python-3.8.2-karolina.eb --module-only
+
+name = 'NWChem'
+version = '7.0.2'
+versionsuffix = '-Python-%(pyver)s-karolina'
+
+homepage = 'http://www.nwchem-sw.org'
+description = """NWChem aims to provide its users with computational chemistry tools that are scalable both in
+ their ability to treat large scientific computational chemistry problems efficiently, and in their use of available
+ parallel computing resources from high-performance parallel supercomputers to conventional workstation clusters.
+ NWChem software can handle: biomolecules, nanostructures, and solid-state; from quantum to classical, and all
+ combinations; Gaussian basis functions or plane-waves; scaling from one to thousands of processors; properties
+ and relativity."""
+
+toolchain = {'name': 'intel', 'version': '2020a'}
+toolchainopts = {'i8': True, 'optarch':'march=core-avx2'}
+
+source_urls = ['https://github.com/nwchemgit/nwchem/releases/download/v%(version)s-release/']
+sources = ['v%(version)s-release.tar.gz']
+patches = [
+    'NWChem_fix-date.patch',
+#    'NWChem-7.0.0_external-ga-peigs-flag.patch',
+]
+
+dependencies = [
+#    ('GlobalArrays', '5.7.2'),
+    ('Python', '3.8.2', '-GCCcore-9.3.0', True),
+    ('OpenMPI', '4.1.1', '-GCC-10.3.0', True)
+]
+
+preconfigopts = ' export NWCHEM_TOP=%(builddir)s/nwchem-%(version)s-release && '
+preconfigopts += ' touch $NWCHEM_TOP/src/config/nwchem_config.h && '
+preconfigopts += ' sed -i "s|-xHost|-core-avx2|g" $NWCHEM_TOP/src/config/makefile-legacy.h && '
+preconfigopts += 'sed -i "s|-xHost|-core-avx2|g" $NWCHEM_TOP/src/config/makefile.h && '
+preconfigopts += ' make -C "/home/opr0019/.local/easybuild/build/NWChem/7.0.2/intel-2020a-Python-3.8.2/nwchem-7.0.2-release/src" nwchem_config NWCHEM_MODULES="all python" && '
+
+configopts = ' USE_INTERNALBLAS=yes USE_MPI=yes '
+buildopts = ' USE_INTERNALBLAS=yes USE_MPI=yes '
+
+modules = 'all python'
+
+moduleclass = 'chem'
+
+# rucni kompilace
+# src/:
+# sed -i "s|-xHost|-core-avx2|g" config/makefile-legacy.h
+# sed -i "s|-xHost|-core-avx2|g" config/makefile.h
+# make nwchem_config NWCHEM_MODULES="all python"
+# make USE_INTERNALBLAS=y USE_MPI=y
diff --git a/n/NWChem/NWChem-7.2.2-intel-2022a.eb b/n/NWChem/NWChem-7.2.2-intel-2022a.eb
new file mode 100644
index 00000000..a9c9222e
--- /dev/null
+++ b/n/NWChem/NWChem-7.2.2-intel-2022a.eb
@@ -0,0 +1,41 @@
+# IT4Innovations
+# LK 2023
+
+name = 'NWChem'
+version = '7.2.2'
+local_verdate = '2023-11-03'
+local_revision = '74936fb9'
+
+homepage = 'https://nwchemgit.github.io/'
+description = """NWChem aims to provide its users with computational chemistry tools that are scalable both in
+ their ability to treat large scientific computational chemistry problems efficiently, and in their use of available
+ parallel computing resources from high-performance parallel supercomputers to conventional workstation clusters.
+ NWChem software can handle: biomolecules, nanostructures, and solid-state; from quantum to classical, and all
+ combinations; Gaussian basis functions or plane-waves; scaling from one to thousands of processors; properties
+ and relativity."""
+
+toolchain = {'name': 'intel', 'version': '2022a'}
+toolchainopts = {'i8': True}
+
+source_urls = ['https://github.com/nwchemgit/nwchem/releases/download/v%(version)s-release/']
+sources = ['nwchem-%%(version)s-release.revision-%s-src.%s.tar.bz2' % (local_revision, local_verdate)]
+#patches = [
+#    'NWChem-7.0.2_fix_gnumakefile.patch',
+#    'NWChem-7.0.2_fix_for_python_3_10.patch',
+#]
+checksums = [
+    '47f19f2d59e988d33fc4fe067a97da5d15a7ed1167d5acd644dbe84065c19729',
+#    '89c634a652d4c8c358f8388ac01ee441659e3c0256c39b6494e2885c91f9aca4',  # NWChem-7.0.2_fix_gnumakefile.patch
+#    '2da647217ad72d929f1d495386871a32b7176beb52cbc3dabebbb56abb407e36',  # NWChem-7.0.2_fix_for_python_3_10.patch
+]
+
+dependencies = [
+    ('GlobalArrays', '5.8.1'),
+    ('Python', '3.10.4'),
+]
+
+preconfigopts = 'export EXTRA_LIBS=-lutil && '
+
+modules = 'all python'
+
+moduleclass = 'chem'
diff --git a/o/OpenMPI/OpenMPI-4.1.4-GCC-10.2.0-CUDA-11.7.0.eb b/o/OpenMPI/OpenMPI-4.1.4-GCC-10.2.0-CUDA-11.7.0.eb
new file mode 100644
index 00000000..0bb58f3f
--- /dev/null
+++ b/o/OpenMPI/OpenMPI-4.1.4-GCC-10.2.0-CUDA-11.7.0.eb
@@ -0,0 +1,87 @@
+# IT4Innovations
+# BS 2023
+
+name = 'OpenMPI'
+version = '4.1.4'
+versionsuffix = '-CUDA-11.7.0'
+
+homepage = 'https://www.open-mpi.org/'
+description = """The Open MPI Project is an open source MPI-3 implementation."""
+
+toolchain = {'name': 'GCC', 'version': '10.2.0'}
+
+source_urls = ['https://www.open-mpi.org/software/ompi/v%(version_major_minor)s/downloads']
+sources = [SOURCELOWER_TAR_BZ2]
+checksums = [
+    '92912e175fd1234368c8730c03f4996fe5942e7479bb1d10059405e7f2b3930d',  # openmpi-4.1.4.tar.bz2
+]
+
+builddependencies = [
+    ('pkgconf', '1.8.0'),
+    ('Perl', '5.32.0'),
+    ('Autotools', '20200321'),
+]
+
+dependencies = [
+    ('zlib', '1.2.11'),
+    ('hwloc', '2.2.0'),
+    ('libevent', '2.1.12'),
+    ('UCX', '1.12.1', '-GCCcore-10.2.0', True),
+    ('UCX-CUDA', '1.12.1', '-GCCcore-10.2.0-CUDA-11.7.0', True),
+    ('libfabric', '1.11.0'),
+    ('PMIx', '3.1.5'),
+    ('UCC', '1.1.0'),
+    ('CUDA', '11.7.0', '', True),
+]
+
+preconfigopts = './autogen.pl --force && '
+
+# IT4I-specific settings
+
+configopts = '--enable-shared --enable-mpi-thread-multiple --with-verbs '
+configopts += '--enable-mpirun-prefix-by-default '
+configopts += '--with-hwloc=$EBROOTHWLOC '  # hwloc support
+configopts += '--with-slurm ' # Enable slurm
+configopts += '--enable-mpi-cxx '  # Enable building the C++ MPI bindings
+configopts += '--with-ucx=$EBROOTUCX '
+configopts += '--with-cuda=$EBROOTCUDA '
+#configopts += '--with-pmix=/opt/it4i-libs/PMIx/4.2.6 '
+
+osdependencies = [('libibverbs-dev', 'libibverbs-devel', 'rdma-core-devel')]
+
+postinstallcmds = [
+    'echo "# By default, for Open MPI 4.0 and later, infiniband ports on a device are not used by default." >> %(installdir)s/etc/openmpi-mca-params.conf',
+    'echo "btl_openib_allow_ib = true" >> %(installdir)s/etc/openmpi-mca-params.conf',
+]
+
+local_libs = ["mpi_mpifh", "mpi", "ompitrace", "open-pal", "open-rte"]
+sanity_check_paths = {
+    'files': [
+        "bin/%s" %
+        binfile for binfile in [
+            "ompi_info", "opal_wrapper", "orterun"]] + [
+                "lib/lib%s.%s" %
+                (libfile, SHLIB_EXT) for libfile in local_libs] + [
+                    "include/%s.h" %
+                    x for x in [
+                        "mpi-ext", "mpif-config", "mpif", "mpi", "mpi_portable_platform"]], 'dirs': [], }
+
+import os
+if os.environ.get("CLUSTERNAME") in ["BARBORA"]:
+   modextravars = {'OMPI_MCA_btl_openib_if_include': 'mlx5_0',
+                'OMPI_MCA_btl_tcp_if_include': '10.33.4.0/24',
+                'OMPI_MCA_orte_base_help_aggregate': '0',
+                'SLURM_MPI_TYPE': 'pmix_v4',
+   }
+elif os.environ.get("CLUSTERNAME") in ["KAROLINA"]:
+   modextravars = {'OMPI_MCA_btl_openib_if_include': 'mlx5_0',
+                'OMPI_MCA_orte_base_help_aggregate': '0',
+                'SLURM_MPI_TYPE': 'pmix_v4',
+   }
+else:
+   modextravars = {'OMPI_MCA_btl_openib_if_include': 'mlx4_0',
+                'OMPI_MCA_oob_tcp_if_include': '10.0.0.0/8',
+                'SLURM_MPI_TYPE': 'pmix_v4',
+   }
+
+moduleclass = 'mpi'
diff --git a/o/openPMD-api/openPMD-api-0.15.2-gompi-2020b.eb b/o/openPMD-api/openPMD-api-0.15.2-gompi-2020b.eb
new file mode 100644
index 00000000..a1f84f40
--- /dev/null
+++ b/o/openPMD-api/openPMD-api-0.15.2-gompi-2020b.eb
@@ -0,0 +1,40 @@
+# IT4Innovations
+# LK 2023
+
+easyblock = "CMakeMake"
+
+name = "openPMD-api"
+version = "0.15.2"
+
+homepage = 'https://github.com/openPMD/openPMD-api'
+description = """openPMD is an open meta-data schema that provides meaning and self-description 
+for data sets in science and engineering. See the openPMD standard for details of this schema.
+This library provides a reference API for openPMD data handling. Since openPMD is a schema 
+(or markup) on top of portable, hierarchical file formats, this library implements various 
+backends such as HDF5, ADIOS2 and JSON. Writing & reading through those backends and their 
+associated files are supported for serial and MPI-parallel workflows.
+"""
+
+toolchain = {'name': 'gompi', 'version': '2020b'}
+
+source_urls = ['https://github.com/openPMD/openPMD-api/archive/refs/tags/']
+sources = ['%(version)s.tar.gz']
+checksums = ['fbe3b356fe6f4589c659027c8056844692c62382e3ec53b953bed1c87e58ba13']
+
+builddependencies = [('CMake', '3.20.1')]
+
+dependencies = [
+    ('HDF5', '1.10.7'),
+    ('ADIOS2', '2.9.2'),
+]
+
+configopts = '-DopenPMD_USE_ADIOS2=ON -DopenPMD_USE_HDF5=ON '
+
+separate_build_dir = True
+
+sanity_check_paths = {
+    'files': ['bin/openpmd-ls',  'lib/libopenPMD.so'],
+    'dirs': ['bin', 'include', 'lib64']
+}
+
+moduleclass = 'tools'
diff --git a/p/pkgconf/pkgconf-1.8.0-GCCcore-10.2.0.eb b/p/pkgconf/pkgconf-1.8.0-GCCcore-10.2.0.eb
new file mode 100644
index 00000000..8544cf88
--- /dev/null
+++ b/p/pkgconf/pkgconf-1.8.0-GCCcore-10.2.0.eb
@@ -0,0 +1,33 @@
+# IT4Innovations 2023
+# BS
+easyblock = 'ConfigureMake'
+
+name = 'pkgconf'
+version = '1.8.0'
+
+homepage = 'https://github.com/pkgconf/pkgconf'
+
+description = """pkgconf is a program which helps to configure compiler and linker flags for development libraries.
+ It is similar to pkg-config from freedesktop.org."""
+
+toolchain = {'name': 'GCCcore', 'version': '10.2.0'}
+
+source_urls = ['https://distfiles.ariadne.space/pkgconf/']
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['d7b6fdb522d81c11f5a0e0a0629a9f5480809ec90e595058674c1517822dfb8c']
+
+builddependencies = [('binutils', '2.35')]
+
+postinstallcmds = ["cd %(installdir)s/bin && ln -s pkgconf pkg-config"]
+
+sanity_check_paths = {
+    'files': ['bin/pkg-config', 'bin/pkgconf'],
+    'dirs': [],
+}
+
+sanity_check_commands = [
+    "pkg-config --help",
+    "pkgconf --help",
+]
+
+moduleclass = 'devel'
diff --git a/p/pkgconfig/pkgconf-1.8.0-GCCcore-10.2.0.eb b/p/pkgconfig/pkgconf-1.8.0-GCCcore-10.2.0.eb
new file mode 100644
index 00000000..8544cf88
--- /dev/null
+++ b/p/pkgconfig/pkgconf-1.8.0-GCCcore-10.2.0.eb
@@ -0,0 +1,33 @@
+# IT4Innovations 2023
+# BS
+easyblock = 'ConfigureMake'
+
+name = 'pkgconf'
+version = '1.8.0'
+
+homepage = 'https://github.com/pkgconf/pkgconf'
+
+description = """pkgconf is a program which helps to configure compiler and linker flags for development libraries.
+ It is similar to pkg-config from freedesktop.org."""
+
+toolchain = {'name': 'GCCcore', 'version': '10.2.0'}
+
+source_urls = ['https://distfiles.ariadne.space/pkgconf/']
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['d7b6fdb522d81c11f5a0e0a0629a9f5480809ec90e595058674c1517822dfb8c']
+
+builddependencies = [('binutils', '2.35')]
+
+postinstallcmds = ["cd %(installdir)s/bin && ln -s pkgconf pkg-config"]
+
+sanity_check_paths = {
+    'files': ['bin/pkg-config', 'bin/pkgconf'],
+    'dirs': [],
+}
+
+sanity_check_commands = [
+    "pkg-config --help",
+    "pkgconf --help",
+]
+
+moduleclass = 'devel'
diff --git a/s/Smilei/Smilei-5.0-intel-2020b-CUDA-12.2.0.eb b/s/Smilei/Smilei-5.0-intel-2020b-CUDA-12.2.0.eb
new file mode 100644
index 00000000..600db05d
--- /dev/null
+++ b/s/Smilei/Smilei-5.0-intel-2020b-CUDA-12.2.0.eb
@@ -0,0 +1,40 @@
+# IT4Innovations 
+# LK 2023
+
+easyblock = 'MakeCp'
+
+name = 'Smilei'
+version = '5.0'
+versionsuffix = '-CUDA-12.2.0'
+
+homepage = 'https://github.com/SmileiPIC/Smilei'
+description = "Smilei is an open-source, user-friendly electromagnetic particle-in-cell code for the kinetic simulation of plasmas. Co-developed by physicists and computer scientists, it is designed for high-performance on the most recent supercomputing architectures. Smilei is applied to a wide range of applications, from laser-plasma interaction, to accelerator physics, space physics and astrophysics. It is also used at the bachelor and master levels as a teaching platform for plasma physics."
+
+toolchain = {'name': 'intel', 'version': '2020b'}
+
+source_urls = ["https://github.com/SmileiPIC/Smilei/archive/refs/tags/"]
+sources = ["v%(version)s.tar.gz"]
+checksums = ['9d92603d31f21d191f61487ec452fcf83d898150bfc10341f1cae241e5eb7826']
+
+dependencies = [
+   ('HDF5', '1.10.7'),
+   ('Python', '3.8.6'),
+   ('CUDA', '12.2.0', '', True),
+]
+
+buildopts = 'config="gpu_nvidia noopenmp"'
+
+files_to_copy = [(['smilei', 'smilei_test'], 'bin'), "src"]
+
+sanity_check_paths = {
+    'files': [
+        'bin/smilei',
+        'bin/smilei_test'
+    ],
+    'dirs': [
+        'bin',
+        'src'
+    ],
+}
+
+moduleclass = 'phys'
diff --git a/s/Smilei/Smilei-5.0-intel-2020b.eb b/s/Smilei/Smilei-5.0-intel-2020b.eb
new file mode 100644
index 00000000..d8131ddc
--- /dev/null
+++ b/s/Smilei/Smilei-5.0-intel-2020b.eb
@@ -0,0 +1,36 @@
+# IT4Innovations 
+# LK 2023
+
+easyblock = 'MakeCp'
+
+name = 'Smilei'
+version = '5.0'
+
+homepage = 'https://github.com/SmileiPIC/Smilei'
+description = "Smilei is an open-source, user-friendly electromagnetic particle-in-cell code for the kinetic simulation of plasmas. Co-developed by physicists and computer scientists, it is designed for high-performance on the most recent supercomputing architectures. Smilei is applied to a wide range of applications, from laser-plasma interaction, to accelerator physics, space physics and astrophysics. It is also used at the bachelor and master levels as a teaching platform for plasma physics."
+
+toolchain = {'name': 'intel', 'version': '2020b'}
+
+source_urls = ["https://github.com/SmileiPIC/Smilei/archive/refs/tags/"]
+sources = ["v%(version)s.tar.gz"]
+checksums = ['9d92603d31f21d191f61487ec452fcf83d898150bfc10341f1cae241e5eb7826']
+
+dependencies = [
+   ('HDF5', '1.10.7'),
+   ('Python', '3.8.6'),
+]
+
+files_to_copy = [(['smilei', 'smilei_test'], 'bin'), "src"]
+
+sanity_check_paths = {
+    'files': [
+        'bin/smilei',
+        'bin/smilei_test'
+    ],
+    'dirs': [
+        'bin',
+        'src'
+    ],
+}
+
+moduleclass = 'phys'
diff --git a/u/UCC/UCC-1.1.0-GCCcore-10.2.0.eb b/u/UCC/UCC-1.1.0-GCCcore-10.2.0.eb
new file mode 100644
index 00000000..3291ad3f
--- /dev/null
+++ b/u/UCC/UCC-1.1.0-GCCcore-10.2.0.eb
@@ -0,0 +1,44 @@
+# IT4Innovations
+# BS 2023
+
+easyblock = 'ConfigureMake'
+
+name = 'UCC'
+version = '1.1.0'
+
+homepage = 'https://www.openucx.org/'
+description = """UCC (Unified Collective Communication) is a collective
+communication operations API and library that is flexible, complete, and 
+feature-rich for current and emerging programming models and runtimes.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '10.2.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://github.com/openucx/ucc/archive/refs/tags']
+sources = ['v%(version)s.tar.gz']
+patches = ['UCC-%(version)s-multiple_component_paths.patch']
+checksums = [
+    {'v1.1.0.tar.gz': '74c8ba75037b5bd88cb703e8c8ae55639af3fecfd4428912a433c010c97b4df7'},
+    {'UCC-1.1.0-multiple_component_paths.patch': '3081d0f694331daa4a88a0fa3fb54b9a918015248ae5eb7b3157b924abd31bee'},
+]
+
+builddependencies = [
+    ('binutils', '2.35'),
+    ('Autotools', '20200321'),
+]
+
+dependencies = [
+    ('UCX', '1.12.1'),
+]
+
+preconfigopts = "./autogen.sh && "
+
+sanity_check_paths = {
+    'files': ['bin/ucc_info'],
+    'dirs': ['include', 'lib']
+}
+
+sanity_check_commands = ["ucc_info -c"]
+
+moduleclass = 'lib'
diff --git a/u/UCX-CUDA/UCX-CUDA-1.12.1-GCCcore-10.2.0-CUDA-11.7.0.eb b/u/UCX-CUDA/UCX-CUDA-1.12.1-GCCcore-10.2.0-CUDA-11.7.0.eb
new file mode 100644
index 00000000..c1a80534
--- /dev/null
+++ b/u/UCX-CUDA/UCX-CUDA-1.12.1-GCCcore-10.2.0-CUDA-11.7.0.eb
@@ -0,0 +1,44 @@
+# IT4Innovations
+# BS 2023
+easyblock = 'EB_UCX_Plugins'
+
+name = 'UCX-CUDA'
+version = '1.12.1'
+versionsuffix = '-CUDA-%(cudaver)s'
+
+homepage = 'http://www.openucx.org/'
+description = """Unified Communication X
+An open-source production grade communication framework for data centric
+and high-performance applications
+
+This module adds the UCX CUDA support.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '10.2.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://github.com/openucx/ucx/releases/download/v%(version)s']
+sources = [{'filename': 'ucx-%(version)s.tar.gz', 'alt_location': 'UCX'}]
+patches = [
+    '%(name)s-1.11.0_link_against_existing_UCX_libs.patch',
+]
+checksums = [
+    {'ucx-1.12.1.tar.gz': '40b447c8e7da94a253f2828001b2d76021eb4ad39647107d433d62d61e18ae8e'},
+    {'UCX-CUDA-1.11.0_link_against_existing_UCX_libs.patch':
+     '457187fa020e526609ba91e7750c9941d57bd57d60d6eed317b40ad8824aca93'},
+]
+
+builddependencies = [
+    ('binutils', '2.35'),
+    ('Autotools', '20200321'),
+    ('pkgconf', '1.8.0'),
+]
+
+dependencies = [
+    ('zlib', '1.2.11'),
+    ('UCX', version),
+    ('CUDA',  '11.7.0', '', SYSTEM),
+    ('GDRCopy', '2.3'),
+]
+
+moduleclass = 'lib'
diff --git a/u/UCX/UCX-1.12.1-GCCcore-10.2.0.eb b/u/UCX/UCX-1.12.1-GCCcore-10.2.0.eb
new file mode 100644
index 00000000..c00087b8
--- /dev/null
+++ b/u/UCX/UCX-1.12.1-GCCcore-10.2.0.eb
@@ -0,0 +1,58 @@
+# IT4Innovation 2023
+# BS
+easyblock = 'ConfigureMake'
+
+name = 'UCX'
+version = '1.12.1'
+
+homepage = 'https://www.openucx.org/'
+description = """Unified Communication X
+An open-source production grade communication framework for data centric
+and high-performance applications
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '10.2.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://github.com/openucx/ucx/releases/download/v%(version)s']
+sources = ['%(namelower)s-%(version)s.tar.gz']
+patches = [
+    'UCX-1.10.0-dynamic_modules.patch',
+    'UCX-1.11.0_fix-implicit-odp-release.patch',
+    'UCX-1.11.2-missing_header.patch',
+]
+checksums = [
+    '40b447c8e7da94a253f2828001b2d76021eb4ad39647107d433d62d61e18ae8e',  # ucx-1.12.1.tar.gz
+    '3098c91f2aadc5f148466a2e8756769ad5e99f9515d8cfb6ad8a5712e7433408',  # UCX-1.10.0-dynamic_modules.patch
+    {'UCX-1.11.0_fix-implicit-odp-release.patch': 'e21d66b75f3727a98dbd1737b419a6f77c0c5a8ac660a21affcbf10bb3b941ed'},
+    'fa9052a33da5c8e94bc7df0e5fe6ce3baf613310842ae1ab9ed4ef2d49666c01',  # UCX-1.11.2-missing_header.patch
+]
+
+builddependencies = [
+    ('binutils', '2.35'),
+    ('Autotools', '20200321'),
+    ('pkgconf', '1.8.0'),
+]
+
+osdependencies = [OS_PKG_IBVERBS_DEV]
+
+dependencies = [
+    ('zlib', '1.2.11'),
+    ('numactl', '2.0.13'),
+]
+
+configure_cmd = "contrib/configure-release"
+
+configopts = '--enable-optimizations --enable-cma --enable-mt --with-verbs '
+configopts += '--without-java --without-go --disable-doxygen-doc '
+
+buildopts = 'V=1'
+
+sanity_check_paths = {
+    'files': ['bin/ucx_info', 'bin/ucx_perftest', 'bin/ucx_read_profile'],
+    'dirs': ['include', 'lib', 'share']
+}
+
+sanity_check_commands = ["ucx_info -d"]
+
+moduleclass = 'lib'