diff --git a/g/Go/Go-1.12.7.eb b/g/Go/Go-1.12.7.eb
new file mode 100644
index 00000000..323716cf
--- /dev/null
+++ b/g/Go/Go-1.12.7.eb
@@ -0,0 +1,26 @@
+# It4Innovations 2019
+
+easyblock = 'Tarball'
+
+name = 'Go'
+version = '1.12.7'
+
+homepage = 'http://www.golang.org'
+description = """Go is an open source programming language that makes it easy to build
+ simple, reliable, and efficient software."""
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+source_urls = ['https://dl.google.com/go/']
+sources = ['%(namelower)s%(version)s.linux-amd64.tar.gz']
+
+checksums = ['3f0ca2acb238bef57c7e2b6e3d8d0730']
+
+sanity_check_paths = {
+    'files': ['bin/go', 'bin/gofmt'],
+    'dirs': ['api', 'doc', 'lib', 'pkg'],
+}
+
+modextravars = {'GOROOT': '%(installdir)s'}
+
+moduleclass = 'compiler'
diff --git a/h/hwloc/hwloc-1.11.7-GCC-9.1.0-2.32.eb b/h/hwloc/hwloc-1.11.7-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..82ee6d46
--- /dev/null
+++ b/h/hwloc/hwloc-1.11.7-GCC-9.1.0-2.32.eb
@@ -0,0 +1,26 @@
+# IT4Innovations 2019
+
+easyblock = 'ConfigureMake'
+
+name = 'hwloc'
+version = '1.11.7'
+
+homepage = 'http://www.open-mpi.org/projects/hwloc/'
+description = """The Portable Hardware Locality (hwloc) software package provides a portable abstraction
+(across OS, versions, architectures, ...) of the hierarchical topology of modern architectures, including
+NUMA memory nodes, sockets, shared caches, cores and simultaneous multithreading. It also gathers various
+system attributes such as cache and memory information as well as the locality of I/O devices such as
+network interfaces, InfiniBand HCAs or GPUs. It primarily aims at helping applications with gathering
+information about modern computing hardware so as to exploit it accordingly and efficiently."""
+
+toolchain = {'name': 'GCC', 'version': '9.1.0-2.32'}
+
+source_urls = [
+    'http://www.open-mpi.org/software/hwloc/v%(version_major_minor)s/downloads/']
+sources = [SOURCE_TAR_GZ]
+
+dependencies = [('numactl', '2.0.11')]
+
+configopts = "--enable-libnuma=$EBROOTNUMACTL"
+
+moduleclass = 'system'
diff --git a/i/icc/icc-2019.4.227-GCC-9.1.0-2.32.eb b/i/icc/icc-2019.4.227-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..5726a1a2
--- /dev/null
+++ b/i/icc/icc-2019.4.227-GCC-9.1.0-2.32.eb
@@ -0,0 +1,41 @@
+# IT4Innovations 2019
+
+name = 'icc'
+version = '2019.4.227'
+
+homepage = 'http://software.intel.com/en-us/intel-compilers/'
+description = "Intel C and C++ compilers"
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+source_urls = ['http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/14865/']
+sources = ['parallel_studio_xe_%(version_major)s_update%(version_minor)s_composer_edition_for_cpp.tgz']
+
+gccver = '9.1.0'
+binutilsver = '2.32'
+versionsuffix = '-GCC-%s-%s' % (gccver, binutilsver)
+
+dependencies = [
+    ('GCCcore', gccver),
+    ('binutils', binutilsver, '', ('GCCcore', gccver)),
+]
+
+# list of regex for components to install
+# full list of components can be obtained from pset/mediaconfig.xml in unpacked sources
+# cfr. https://software.intel.com/en-us/articles/intel-composer-xe-2015-silent-installation-guide
+components = ['intel-comp', 'intel-ccomp', 'intel-icc', 'intel-openmp', 'intel-ipsc?_', 'intel-gdb(?!.*mic)']
+
+dontcreateinstalldir = 'True'
+
+license_file = '/apps/licenses/intel/license.lic'
+
+modextravars = {
+    'CC': 'icc',
+    'CXX': 'icpc',
+    'OPTFLAGS': '-O3 -xHost -ip',
+    'DEBUGFLAGS': '-O0 -g'
+}
+
+modluafooter = 'add_property("state","experimental")'
+
+moduleclass = 'compiler'
diff --git a/i/iccifort/iccifort-2019.4.227-GCC-9.1.0-2.32.eb b/i/iccifort/iccifort-2019.4.227-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..63bc027d
--- /dev/null
+++ b/i/iccifort/iccifort-2019.4.227-GCC-9.1.0-2.32.eb
@@ -0,0 +1,31 @@
+# IT4Innovations 2019
+
+easyblock = 'Toolchain'
+
+name = 'iccifort'
+version = '2019.4.227'
+versionsuffix = '-GCC-9.1.0-2.32'
+
+homepage = 'http://software.intel.com/en-us/intel-cluster-toolkit-compiler/'
+description = "Intel C, C++ & Fortran compilers"
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+dependencies = [
+    ('icc', version, versionsuffix),
+    ('ifort', version, versionsuffix),
+]
+
+modextravars = {
+    'CC': 'icc',
+    'CXX': 'icpc',
+    'F90': 'ifort',
+    'F77': 'ifort',
+    'FC': 'ifort',
+    'OPTFLAGS': '-O3 -xHost -ip',
+    'DEBUGFLAGS': '-O0 -g'
+}
+
+modluafooter = 'add_property("state","experimental")'
+
+moduleclass = 'toolchain'
diff --git a/i/ifort/ifort-2019.4.227-GCC-9.1.0-2.32.eb b/i/ifort/ifort-2019.4.227-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..afa83ad3
--- /dev/null
+++ b/i/ifort/ifort-2019.4.227-GCC-9.1.0-2.32.eb
@@ -0,0 +1,43 @@
+# IT4Innovations 2019
+
+name = 'ifort'
+version = '2019.4.227'
+
+homepage = 'http://software.intel.com/en-us/intel-compilers/'
+description = "Intel Fortran compiler"
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+source_urls = ['http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/14866/']
+sources = ['parallel_studio_xe_%(version_major)s_update%(version_minor)s_composer_edition_for_fortran.tgz']
+#patches = ['ifort-%(version)s_no_mpi_mic_dependency.patch']
+
+gccver = '9.1.0'
+binutilsver = '2.32'
+versionsuffix = '-GCC-%s-%s' % (gccver, binutilsver)
+
+dependencies = [
+    ('GCCcore', gccver),
+    ('binutils', binutilsver, '', ('GCCcore', gccver)),
+]
+
+# list of regex for components to install
+# full list of components can be obtained from pset/mediaconfig.xml in unpacked sources
+# cfr. https://software.intel.com/en-us/articles/intel-composer-xe-2015-silent-installation-guide
+components = ['intel-comp', 'intel-fcomp', 'intel-ifort', 'intel-openmp', 'intel-ipsf?_', 'intel-gdb(?!.*mic)']
+
+dontcreateinstalldir = 'True'
+
+license_file = '/apps/licenses/intel/license.lic'
+
+modextravars = {
+    'F90': 'ifort',
+    'F77': 'ifort',
+    'FC': 'ifort',
+    'OPTFLAGS': '-O3 -xHost -ip',
+    'DEBUGFLAGS': '-O0 -g'
+}
+
+modluafooter = 'add_property("state","experimental")'
+
+moduleclass = 'compiler'
diff --git a/i/impi/impi-2019.3.199-iccifort-2019.4.227-GCC-9.1.0-2.32.eb b/i/impi/impi-2019.3.199-iccifort-2019.4.227-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..a626a058
--- /dev/null
+++ b/i/impi/impi-2019.3.199-iccifort-2019.4.227-GCC-9.1.0-2.32.eb
@@ -0,0 +1,33 @@
+# IT4Innovations 2019
+
+name = 'impi'
+version = '2019.3.199'
+
+homepage = 'http://software.intel.com/en-us/intel-mpi-library/'
+description = "Intel MPI Library, compatible with MPICH ABI"
+
+toolchain = {'name': 'iccifort', 'version': '2019.4.227-GCC-9.1.0-2.32'}
+
+source_urls = ['http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/14879/']
+sources = ['l_mpi_%(version)s.tgz']
+
+dontcreateinstalldir = 'True'
+
+components = ['intel-mpi', 'intel-psxe', 'intel-imb']
+
+# set up all the mpi commands to default to intel compilers
+# set_mpi_wrappers_all = 'True'
+
+modextravars = {
+    'I_MPI_CC': 'icc',
+    'I_MPI_CXX': 'icpc',
+    'I_MPI_F77': 'ifort',
+    'I_MPI_F90': 'ifort',
+    'I_MPI_FC': 'ifort',
+    'I_MPI_EXTRA_FILESYSTEM': 'enable',
+    'I_MPI_EXTRA_FILESYSTEM_LIST': 'lustre',
+}
+
+modluafooter = 'add_property("state","experimental")'
+
+moduleclass = 'mpi'
diff --git a/i/intel/intel-2019.03-GCC-9.1.0-2.32.eb b/i/intel/intel-2019.03-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..39485680
--- /dev/null
+++ b/i/intel/intel-2019.03-GCC-9.1.0-2.32.eb
@@ -0,0 +1,29 @@
+# IT4Innovations 2019
+
+easyblock = 'Toolchain'
+
+name = 'intel'
+version = '2019.03'
+versionsuffix = '-GCC-9.1.0-2.32'
+
+homepage = 'http://software.intel.com/en-us/intel-cluster-toolkit-compiler/'
+description = "Compiler toolchain including Intel compilers, Intel MPI and Intel Math Kernel Library (MKL)."
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+compver = '2019.4.227'
+gccver = '9.1.0'
+binutilsver = '2.32'
+gccsuff = '-GCC-%s-%s' % (gccver, binutilsver)
+dependencies = [
+    ('GCCcore', gccver),
+    ('binutils', binutilsver, '-GCCcore-%s' % gccver),
+    ('icc', compver, gccsuff),
+    ('ifort', compver, gccsuff),
+    ('impi', '2019.3.199', '', ('iccifort', '%s%s' % (compver, gccsuff))),
+    ('imkl', '2019.3.199', '', ('iimpi', version)),
+]
+
+modluafooter = 'add_property("state","experimental")'
+
+moduleclass = 'toolchain'
diff --git a/n/numactl/numactl-2.0.11-GCCcore-9.1.0.eb b/n/numactl/numactl-2.0.11-GCCcore-9.1.0.eb
new file mode 100644
index 00000000..2ce30769
--- /dev/null
+++ b/n/numactl/numactl-2.0.11-GCCcore-9.1.0.eb
@@ -0,0 +1,38 @@
+# IT4Innovations 2018
+
+easyblock = 'ConfigureMake'
+
+name = 'numactl'
+version = '2.0.11'
+
+homepage = 'http://oss.sgi.com/projects/libnuma/'
+description = """The numactl program allows you to run your application program on specific cpu's and memory nodes.
+It does this by supplying a NUMA memory policy to the operating system before running your program.
+The libnuma library provides convenient ways for you to add NUMA memory policies into your own program."""
+
+toolchain = {'name': 'GCCcore', 'version': '9.1.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://github.com/numactl/numactl/archive/']
+sources = ['v2.0.12.tar.gz']
+checksums = ['a4d2292af28fb20007ddb9706f8bb1cc']
+
+builddependencies = [
+    ('binutils', '2.32'),
+    ('Autotools', '20180311', '', True),
+]
+
+preconfigopts = "./autogen.sh && "
+
+sanity_check_paths = {
+    'files': [
+        'bin/numactl',
+        'bin/numastat',
+        'lib/libnuma.%s' %
+        SHLIB_EXT,
+        'lib/libnuma.a'],
+    'dirs': [
+        'share/man',
+        'include']}
+
+moduleclass = 'tools'
diff --git a/o/OpenMPI/OpenMPI-2.1.5-GCC-9.1.0-2.32.eb b/o/OpenMPI/OpenMPI-2.1.5-GCC-9.1.0-2.32.eb
new file mode 100644
index 00000000..66a19be4
--- /dev/null
+++ b/o/OpenMPI/OpenMPI-2.1.5-GCC-9.1.0-2.32.eb
@@ -0,0 +1,53 @@
+# IT4Innovations 2019
+
+easyblock = 'ConfigureMake'
+
+name = 'OpenMPI'
+version = '2.1.5'
+
+homepage = 'http://www.open-mpi.org/'
+description = """The Open MPI Project is an open source MPI-3.1 implementation."""
+
+toolchain = {'name': 'GCC', 'version': '9.1.0-2.32'}
+
+source_urls = [
+    'http://www.open-mpi.org/software/ompi/v%(version_major_minor)s/downloads']
+sources = [SOURCELOWER_TAR_GZ]
+
+dependencies = [
+    ('hwloc', '1.11.7')
+]
+
+# for PBS Pro 13
+preconfigopts = 'export LIBS="-ldl" && '
+
+configopts = '--enable-shared --enable-mpi-thread-multiple --with-verbs '
+# suppress failure modes in relation to mpirun path
+configopts += '--enable-mpirun-prefix-by-default '
+configopts += '--with-hwloc=$EBROOTHWLOC '  # hwloc support
+# configopts += '--disable-dlopen '  # dont disable dlopen!
+# https://github.com/open-mpi/ompi/issues/3630
+configopts += '--with-tm=/opt/pbs/default '  # Enable PBS
+#configopts += '--enable-mpi-java '  # Java support RT#4090
+configopts += '--enable-mpi-cxx '  # Enable building the C++ MPI bindings
+
+# needed for --with-verbs
+osdependencies = [('libibverbs-dev', 'libibverbs-devel', 'rdma-core-devel')]
+
+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 libs] + [
+                    "include/%s.h" %
+                    x for x in [
+                        "mpi-ext", "mpif-config", "mpif", "mpi", "mpi_portable_platform"]], 'dirs': [], }
+
+modextravars = {'OMPI_MCA_btl_openib_if_include': 'mlx4_0',
+                'OMPI_MCA_oob_tcp_if_include': '10.0.0.0/8',
+                }
+
+moduleclass = 'mpi'
diff --git a/s/Singularity/Singularity-3.2.1.eb b/s/Singularity/Singularity-3.2.1.eb
new file mode 100644
index 00000000..9979915b
--- /dev/null
+++ b/s/Singularity/Singularity-3.2.1.eb
@@ -0,0 +1,43 @@
+# IT4Innovations 2019
+
+easyblock = 'ConfigureMake'
+
+name = 'Singularity'
+version = '3.2.1'
+
+homepage = 'https://github.com/sylabs/singularity'
+description = "Singularity is an open source container platform designed to be simple, fast, and secure. Singularity is optimized for EPC and HPC workloads, allowing untrusted users to run untrusted containers in a trusted way."
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+sources = [{
+    'source_urls': ['https://github.com/sylabs/singularity/releases/download/v3.2.1/'],
+    'filename': 'singularity-3.2.1.tar.gz',
+    'extract_cmd': "mkdir -p src/github.com/sylabs/singularity && tar xfvz %s -C src/github.com/sylabs/singularity --strip-components=1",
+}]
+
+builddependencies = [
+        ('Go', '1.12.7'),
+]
+
+dependencies = [
+        ('squashfs-tools', '4.3'),
+]
+
+skipsteps = ['configure']
+
+prebuildopts = "export GOPATH=%(builddir)s && "
+prebuildopts += "./mconfig --prefix=%(installdir)s && "
+prebuildopts += "cd ./builddir && "
+preinstallopts = "cd ./builddir && "
+
+postinstallcmds = [
+        'echo "mksquashfs path = /apps/all/squashfs-tools/4.3/bin" >> %(installdir)s/etc/singularity/singularity.conf',
+]
+
+sanity_check_paths = {
+    'files': ['bin/singularity'],
+    'dirs': ['bin', 'etc', 'libexec', 'var'],
+}
+
+moduleclass = 'tools'