diff --git a/n/NVHPC/NVHPC-22.2-test.eb b/n/NVHPC/NVHPC-22.2-test.eb
new file mode 100644
index 00000000..fa5ea341
--- /dev/null
+++ b/n/NVHPC/NVHPC-22.2-test.eb
@@ -0,0 +1,67 @@
+# IT4Innovations
+# LK 2022
+
+name = 'NVHPC'
+version = '22.2'
+versionsuffix = '-test'
+
+homepage = 'https://developer.nvidia.com/hpc-sdk/'
+description = """C, C++ and Fortran compilers included with the NVIDIA HPC SDK (previously: PGI)"""
+
+toolchain = SYSTEM
+
+# By downloading, you accept the HPC SDK Software License Agreement (https://docs.nvidia.com/hpc-sdk/eula/index.html)
+accept_eula = True
+source_urls = ['https://developer.download.nvidia.com/hpc-sdk/%(version)s/']
+local_tarball_tmpl = 'nvhpc_2022_%%(version_major)s%%(version_minor)s_Linux_%s_cuda_multi.tar.gz'
+sources = [local_tarball_tmpl % '%(arch)s']
+checksums = ['8dfb4007d6912b2722946358ac69409592c1f03426d81971ffbcb6fc5fea2cb8']
+
+local_gccver = '10.2.0'
+dependencies = [
+ ('GCCcore', local_gccver),
+ ('binutils', '2.35', '', ('GCCcore', local_gccver)),
+ # This is necessary to avoid cases where just libnuma.so.1 is present in the system and -lnuma fails
+ ('numactl', '2.0.13', '', ('GCCcore', local_gccver))
+]
+
+# specify default CUDA version that should be used by NVHPC
+# should match one of the CUDA versions that are included with this NVHPC version
+# (see install_components/Linux_x86_64/20.7/cuda/)
+# for NVHPC 20.7, those are: 11.0, 10.2, 10.1;
+# this version can be tweaked from the EasyBuild command line with
+# --try-amend=default_cuda_version="10.2" (for example)
+default_cuda_version = '11.6'
+
+# NVHPC EasyBlock supports some features, which can be set via CLI or this easyconfig.
+# The following list gives examples for the easyconfig
+#
+# NVHPC needs CUDA to work. Two options are available: 1) Use NVHPC-bundled CUDA, 2) use system CUDA
+# 1) Bundled CUDA
+# If no easybuild dependency to CUDA is present, the bundled CUDA is taken. A version needs to be specified with
+# default_cuda_version = "11.0"
+# in this easyconfig file; alternatively, it can be specified through the command line during installation with
+# --try-amend=default_cuda_version="10.2"
+# 2) CUDA provided via EasyBuild
+# Use CUDAcore as a dependency, for example
+# dependencies = [('CUDAcore', '11.0.2')]
+# The parameter default_cuda_version still can be set as above.
+# If not set, it will be deduced from the CUDA module (via $EBVERSIONCUDA)
+#
+# Define a NVHPC-default Compute Capability
+# cuda_compute_capabilities = "8.0"
+cuda_compute_capabilities = '7.0' #V100 GPU
+# Can also be specified on the EasyBuild command line via --cuda-compute-capabilities=8.0
+# Only single values supported, not lists of values!
+#
+# Options to add/remove things to/from environment module (defaults shown)
+# module_byo_compilers = Yes # Remove compilers from PATH (Bring-your-own compilers)
+# module_nvhpc_own_mpi = False # Add NVHPC's own pre-compiled OpenMPI
+# module_add_math_libs = Yes # Add NVHPC's math libraries (which should be there from CUDA anyway)
+# module_add_profilers = Yes # Add NVHPC's NVIDIA Profilers
+# module_add_nccl = Yes # Add NVHPC's NCCL library
+# module_add_nvshmem = Yes # Add NVHPC's NVSHMEM library
+# module_add_cuda = Yes # Add NVHPC's bundled CUDA
+
+# this bundle serves as a compiler-only toolchain, so it should be marked as compiler (important for HMNS)
+moduleclass = 'compiler'
diff --git a/n/NVHPC/NVHPC-23.5.eb b/n/NVHPC/NVHPC-23.5.eb
new file mode 100644
index 00000000..30874999
--- /dev/null
+++ b/n/NVHPC/NVHPC-23.5.eb
@@ -0,0 +1,66 @@
+# IT4Innovations
+# LK 2023
+
+name = 'NVHPC'
+version = '23.5'
+
+homepage = 'https://developer.nvidia.com/hpc-sdk/'
+description = """C, C++ and Fortran compilers included with the NVIDIA HPC SDK (previously: PGI)"""
+
+toolchain = SYSTEM
+
+# By downloading, you accept the HPC SDK Software License Agreement (https://docs.nvidia.com/hpc-sdk/eula/index.html)
+accept_eula = True
+source_urls = ['https://developer.download.nvidia.com/hpc-sdk/%(version)s/']
+local_tarball_tmpl = 'nvhpc_2023_%%(version_major)s%%(version_minor)s_Linux_%s_cuda_multi.tar.gz'
+sources = [local_tarball_tmpl % '%(arch)s']
+checksums = ['071d7119006cb1d7ac22cb91338c20133a02d394efe14931dfa6f5d7dfa54c81']
+
+local_gccver = '12.2.0'
+dependencies = [
+ ('GCCcore', local_gccver),
+ ('binutils', '2.39', '', ('GCCcore', local_gccver)),
+ # This is necessary to avoid cases where just libnuma.so.1 is present in the system and -lnuma fails
+ ('numactl', '2.0.16', '', ('GCCcore', local_gccver))
+]
+
+# specify default CUDA version that should be used by NVHPC
+# should match one of the CUDA versions that are included with this NVHPC version
+# (see install_components/Linux_x86_64/20.7/cuda/)
+# for NVHPC 20.7, those are: 11.0, 10.2, 10.1;
+# this version can be tweaked from the EasyBuild command line with
+# --try-amend=default_cuda_version="10.2" (for example)
+default_cuda_version = '12.0'
+
+# NVHPC EasyBlock supports some features, which can be set via CLI or this easyconfig.
+# The following list gives examples for the easyconfig
+#
+# NVHPC needs CUDA to work. Two options are available: 1) Use NVHPC-bundled CUDA, 2) use system CUDA
+# 1) Bundled CUDA
+# If no easybuild dependency to CUDA is present, the bundled CUDA is taken. A version needs to be specified with
+# default_cuda_version = "11.0"
+# in this easyconfig file; alternatively, it can be specified through the command line during installation with
+# --try-amend=default_cuda_version="10.2"
+# 2) CUDA provided via EasyBuild
+# Use CUDAcore as a dependency, for example
+# dependencies = [('CUDAcore', '11.0.2')]
+# The parameter default_cuda_version still can be set as above.
+# If not set, it will be deduced from the CUDA module (via $EBVERSIONCUDA)
+#
+# Define a NVHPC-default Compute Capability
+cuda_compute_capabilities = "8.0"
+# cuda_compute_capabilities = '7.0' #V100 GPU
+# Can also be specified on the EasyBuild command line via --cuda-compute-capabilities=8.0
+# Only single values supported, not lists of values!
+#
+# Options to add/remove things to/from environment module (defaults shown)
+# module_byo_compilers = Yes # Remove compilers from PATH (Bring-your-own compilers)
+# module_nvhpc_own_mpi = False # Add NVHPC's own pre-compiled OpenMPI
+# module_add_math_libs = Yes # Add NVHPC's math libraries (which should be there from CUDA anyway)
+# module_add_profilers = Yes # Add NVHPC's NVIDIA Profilers
+# module_add_nccl = Yes # Add NVHPC's NCCL library
+# module_add_nvshmem = Yes # Add NVHPC's NVSHMEM library
+# module_add_cuda = Yes # Add NVHPC's bundled CUDA
+
+# this bundle serves as a compiler-only toolchain, so it should be marked as compiler (important for HMNS)
+moduleclass = 'compiler'
diff --git a/s/Spack/Spack-0.20.0.eb b/s/Spack/Spack-0.20.0.eb
new file mode 100644
index 00000000..1c71a80b
--- /dev/null
+++ b/s/Spack/Spack-0.20.0.eb
@@ -0,0 +1,30 @@
+# IT4Innovations
+# LK 2023
+
+easyblock = 'Tarball'
+
+name = 'Spack'
+version = '0.20.0'
+
+homepage = 'https://spack.io/'
+description = """Spack is a package manager for superlocal_computers, Linux, and macOS. It makes installing scientific
+ software easy. With Spack, you can build a package with multiple versions, configurations, platforms, and local_compilers,
+ and all of these builds can coexist on the same machine."""
+
+toolchain = SYSTEM
+
+source_urls = ['https://github.com/LLNL/spack/archive/']
+sources = ['v%(version)s.tar.gz']
+checksums = ['a189b4e8173eefdf76617445125b329d912f730767048846c38c8a2637396a7d']
+
+sanity_check_paths = {
+ 'files': ['bin/spack'],
+ 'dirs': ['etc/spack/defaults', 'lib/spack', 'share/spack', 'var/spack'],
+}
+
+sanity_check_commands = [
+ "spack list",
+ "spack versions gcc",
+]
+
+moduleclass = 'devel'