diff --git a/i/icc/icc-2020.0.166-GCC-8.3.0-2.32.eb b/i/icc/icc-2020.0.166-GCC-8.3.0-2.32.eb
new file mode 100644
index 00000000..a02d520d
--- /dev/null
+++ b/i/icc/icc-2020.0.166-GCC-8.3.0-2.32.eb
@@ -0,0 +1,39 @@
+# IT4Innovations 2020
+
+name = 'icc'
+version = '2020.0.166'
+
+homepage = 'http://software.intel.com/en-us/intel-compilers/'
+description = "Intel C and C++ compilers"
+
+toolchain = SYSTEM
+
+source_urls = ['http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/14865/']
+sources = ['parallel_studio_xe_2020_composer_edition.tgz']
+
+local_gccver = '8.3.0'
+local_binutilsver = '2.32'
+versionsuffix = '-GCC-%s-%s' % (local_gccver, local_binutilsver)
+
+dependencies = [
+    ('GCCcore', local_gccver),
+    ('binutils', local_binutilsver, '', ('GCCcore', local_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'
+}
+
+moduleclass = 'compiler'
diff --git a/i/iccifort/iccifort-2020.0.166-GCC-8.3.0-2.32.eb b/i/iccifort/iccifort-2020.0.166-GCC-8.3.0-2.32.eb
new file mode 100644
index 00000000..8e42e148
--- /dev/null
+++ b/i/iccifort/iccifort-2020.0.166-GCC-8.3.0-2.32.eb
@@ -0,0 +1,29 @@
+# IT4Innovations 2020
+
+easyblock = 'Toolchain'
+
+name = 'iccifort'
+version = '2020.0.166'
+versionsuffix = '-GCC-8.3.0-2.32'
+
+homepage = 'http://software.intel.com/en-us/intel-cluster-toolkit-local_compiler/'
+description = "Intel C, C++ & Fortran compilers"
+
+toolchain = SYSTEM
+
+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'
+}
+
+moduleclass = 'toolchain'
diff --git a/i/ifort/ifort-2020.0.166-GCC-8.3.0-2.32.eb b/i/ifort/ifort-2020.0.166-GCC-8.3.0-2.32.eb
new file mode 100644
index 00000000..4acb4096
--- /dev/null
+++ b/i/ifort/ifort-2020.0.166-GCC-8.3.0-2.32.eb
@@ -0,0 +1,40 @@
+# IT4Innovations 2020
+
+name = 'ifort'
+version = '2020.0.166'
+
+homepage = 'http://software.intel.com/en-us/intel-compilers/'
+description = "Intel Fortran local_compiler"
+
+toolchain = SYSTEM
+
+source_urls = ['http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/14866/']
+sources = ['parallel_studio_xe_2020_composer_edition.tgz']
+
+local_gccver = '8.3.0'
+local_binutilsver = '2.32'
+versionsuffix = '-GCC-%s-%s' % (local_gccver, local_binutilsver)
+
+dependencies = [
+    ('GCCcore', local_gccver),
+    ('binutils', local_binutilsver, '', ('GCCcore', local_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'
+}
+
+moduleclass = 'compiler'
diff --git a/i/iimpi/iimpi-2020a.eb b/i/iimpi/iimpi-2020a.eb
new file mode 100644
index 00000000..b62203e7
--- /dev/null
+++ b/i/iimpi/iimpi-2020a.eb
@@ -0,0 +1,21 @@
+# IT4Innovations 2019
+
+easyblock = "Toolchain"
+
+name = 'iimpi'
+version = '2020a'
+
+homepage = 'http://software.intel.com/en-us/intel-cluster-toolkit-local_compiler/'
+description = """Intel C/C++ and Fortran compilers, alongside Intel MPI."""
+
+toolchain = SYSTEM
+
+local_compver = '2020.0.166'
+local_suff = '-GCC-8.3.0-2.32'
+dependencies = [
+    ('icc', local_compver, local_suff),
+    ('ifort', local_compver, local_suff),
+    ('impi', '2019.6.154', '', ('iccifort', '%s%s' % (local_compver, local_suff))),
+]
+
+moduleclass = 'toolchain'
diff --git a/i/imkl/imkl-2020.0.166-iimpi-2020a.eb b/i/imkl/imkl-2020.0.166-iimpi-2020a.eb
new file mode 100644
index 00000000..06adc809
--- /dev/null
+++ b/i/imkl/imkl-2020.0.166-iimpi-2020a.eb
@@ -0,0 +1,33 @@
+# IT4Innovations 2019
+
+name = 'imkl'
+version = '2020.0.166'
+
+homepage = 'http://software.intel.com/en-us/intel-mkl/'
+description = """Intel Math Kernel Library is a library of highly optimized,
+ extensively threaded math routines for science, engineering, and financial
+ applications that require maximum performance. Core math functions include
+ BLAS, LAPACK, ScaLAPACK, Sparse Solvers, Fast Fourier Transforms, Vector Math, and more."""
+
+toolchain = {'name': 'iimpi', 'version': '2020a'}
+
+sources = ['l_mkl_%(version)s.tgz']
+
+dontcreateinstalldir = 'True'
+
+interfaces = True
+
+postinstallcmds = [
+    # extract the examples
+    'tar xvzf %(installdir)s/mkl/examples/examples_cluster_c.tgz -C %(installdir)s/mkl/examples/',
+    'tar xvzf %(installdir)s/mkl/examples/examples_cluster_f.tgz -C %(installdir)s/mkl/examples/',
+    'tar xvzf %(installdir)s/mkl/examples/examples_core_c.tgz -C %(installdir)s/mkl/examples/',
+    'tar xvzf %(installdir)s/mkl/examples/examples_core_f.tgz -C %(installdir)s/mkl/examples/',
+    'tar xvzf %(installdir)s/mkl/examples/examples_f95.tgz -C %(installdir)s/mkl/examples/',
+]
+
+modextravars = {
+    'MKL_EXAMPLES': '%(installdir)s/mkl/examples/',
+}
+
+moduleclass = 'numlib'
diff --git a/i/impi/impi-2019.6.154-iccifort-2020.0.166-GCC-8.3.0-2.32.eb b/i/impi/impi-2019.6.154-iccifort-2020.0.166-GCC-8.3.0-2.32.eb
new file mode 100644
index 00000000..b135a105
--- /dev/null
+++ b/i/impi/impi-2019.6.154-iccifort-2020.0.166-GCC-8.3.0-2.32.eb
@@ -0,0 +1,32 @@
+# IT4Innovations 2020
+
+name = 'impi'
+version = '2019.6.154'
+
+homepage = 'http://software.intel.com/en-us/intel-mpi-library/'
+description = "Intel MPI Library, local_compatible with MPICH ABI"
+
+toolchain = {'name': 'iccifort', 'version': '2020.0.166-GCC-8.3.0-2.32'}
+
+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',
+    'FI_SOCKETS_IFACE':'ib0',
+    'FI_PROVIDER':'verbs',
+    'I_MPI_FABRICS':'shm:ofi',
+}
+
+moduleclass = 'mpi'
diff --git a/i/intel/intel-2020a.eb b/i/intel/intel-2020a.eb
new file mode 100644
index 00000000..c918ab46
--- /dev/null
+++ b/i/intel/intel-2020a.eb
@@ -0,0 +1,26 @@
+# IT4Innovations 2020
+
+easyblock = 'Toolchain'
+
+name = 'intel'
+version = '2020a'
+
+homepage = 'http://software.intel.com/en-us/intel-cluster-toolkit-local_compiler/'
+description = "Compiler toolchain including Intel compilers, Intel MPI and Intel Math Kernel Library (MKL)."
+
+toolchain = SYSTEM
+
+local_compver = '2020.0.166'
+local_gccver = '8.3.0'
+local_binutilsver = '2.32'
+local_gccsuff = '-GCC-%s-%s' % (local_gccver, local_binutilsver)
+dependencies = [
+    ('GCCcore', local_gccver),
+    ('binutils', local_binutilsver, '-GCCcore-%s' % local_gccver),
+    ('icc', local_compver, local_gccsuff),
+    ('ifort', local_compver, local_gccsuff),
+    ('impi', '2019.6.154', '', ('iccifort', '%s%s' % (local_compver, local_gccsuff))),
+    ('imkl', local_compver, '', ('iimpi', version)),
+]
+
+moduleclass = 'toolchain'