diff --git a/d/Doxygen/Doxygen-1.8.12.eb b/d/Doxygen/Doxygen-1.8.12.eb
new file mode 100644
index 00000000..1fa94e35
--- /dev/null
+++ b/d/Doxygen/Doxygen-1.8.12.eb
@@ -0,0 +1,21 @@
+# IT4Innovations 2020
+
+name = 'Doxygen'
+version = '1.8.12'
+
+homepage = 'http://www.doxygen.org'
+description = """Doxygen is a documentation system for C++, C, Java, Objective-C, Python,
+ IDL (Corba and Microsoft flavors), Fortran, VHDL, PHP, C#, and to some extent D."""
+
+toolchain = SYSTEM
+
+source_urls = [SOURCEFORGE_SOURCE]
+sources = ['%(namelower)s-%(version)s.src.tar.gz']
+
+builddependencies = [
+    ('flex', '2.6.4'),
+    ('Bison', '3.3.2'),
+    ('CMake', '3.16.2')
+]
+
+moduleclass = 'devel'
diff --git a/n/netCDF/netCDF-4.7.3-intel-2020a.eb b/n/netCDF/netCDF-4.7.3-intel-2020a.eb
new file mode 100644
index 00000000..099d9be9
--- /dev/null
+++ b/n/netCDF/netCDF-4.7.3-intel-2020a.eb
@@ -0,0 +1,36 @@
+# IT4Innovations 2020
+
+name = 'netCDF'
+version = '4.7.3'
+
+homepage = 'http://www.unidata.ucar.edu/software/netcdf/'
+description = """NetCDF (network Common Data Form) is a set of software libraries
+ and machine-independent data formats that support the creation, access, and sharing of array-oriented
+ scientific data."""
+
+toolchain = {'name': 'intel', 'version': '2020a'}
+toolchainopts = {'pic': True, 'usempi': True}
+
+sources = ['v%(version)s.tar.gz']
+source_urls = [
+    'https://github.com/Unidata/netcdf-c/archive/'
+]
+
+dependencies = [
+    ('HDF5', '1.10.6'),
+    ('cURL', '7.65.3', '', True),
+    ('Szip', '2.1', '', True),
+]
+
+builddependencies = [
+    ('CMake', '3.16.2', '', True),
+    ('Doxygen', '1.8.12', '', True),
+]
+
+# make sure both static and shared libs are built
+configopts = [
+    "-DBUILD_SHARED_LIBS=OFF ",
+    "-DBUILD_SHARED_LIBS=ON ",
+]
+
+moduleclass = 'data'
diff --git a/n/numba/numba-0.48.0-Py-3.7.eb b/n/numba/numba-0.48.0-intel-2020a-Py-3.7.eb
similarity index 76%
rename from n/numba/numba-0.48.0-Py-3.7.eb
rename to n/numba/numba-0.48.0-intel-2020a-Py-3.7.eb
index 48d00eef..d8d18304 100644
--- a/n/numba/numba-0.48.0-Py-3.7.eb
+++ b/n/numba/numba-0.48.0-intel-2020a-Py-3.7.eb
@@ -4,22 +4,25 @@ easyblock = 'PythonBundle'
 
 name = 'numba'
 version = '0.48.0'
+versionsuffix = "-Py-3.7"
+
 
 homepage = 'https://numba.pydata.org/'
 description = """Numba is an Open Source NumPy-aware optimizing compiler for
 Python sponsored by Continuum Analytics, Inc. It uses the remarkable LLVM
 compiler infrastructure to compile Python syntax to machine code."""
 
-toolchain = {'name': 'Py', 'version': '3.7'}
+toolchain = {'name': 'intel', 'version': '2020a'}
 toolchainopts = {'pic': True}
 
 dependencies = [
-    ('numpy', '1.18.1'),
-    ('scipy', '1.3.3'),
-    ('pandas', '1.0.0'),
-    ('mpmath', '1.1.0'),
-    ('mpi4py', '3.0.1', '-Py-3.7', ('intel', '2020a')),
+    ('numpy', '1.18.1', versionsuffix, True),
+    ('scipy', '1.3.3', versionsuffix, True),
+    ('pandas', '1.0.0', versionsuffix, True),
+    ('mpmath', '1.1.0', versionsuffix, True),
+    ('mpi4py', '3.0.1', versionsuffix),
     ('LLVM', '8.0.1', '', ('GCCcore', '8.3.0')),
+    ('tbb', '2019_U9', '', ('GCCcore', '8.3.0')),
 ]
 
 use_pip = True
@@ -46,7 +49,7 @@ fix_python_shebang_for = ['bin/*']
 
 sanity_check_paths = {
     'files': ['bin/numba', 'bin/pycc'],
-    'dirs': ['lib/python%(pyshortver)s/site-packages'],
+    'dirs': ['lib/python3.7/site-packages'],
 }
 
 sanity_check_commands = ["numba --help"]
diff --git a/t/tbb/tbb-2019_U9-GCCcore-8.3.0.eb b/t/tbb/tbb-2019_U9-GCCcore-8.3.0.eb
new file mode 100644
index 00000000..c4b225ff
--- /dev/null
+++ b/t/tbb/tbb-2019_U9-GCCcore-8.3.0.eb
@@ -0,0 +1,18 @@
+name = 'tbb'
+version = '2019_U9'
+
+homepage = 'https://01.org/tbb/'
+description = """Intel(R) Threading Building Blocks (Intel(R) TBB) lets you easily write parallel C++ programs that
+ take full advantage of multicore performance, that are portable, composable and have future-proof scalability."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+
+source_urls = ['https://github.com/01org/tbb/archive/']
+sources = ['%(version)s.tar.gz']
+checksums = ['3f5ea81b9caa195f1967a599036b473b2e7c347117330cda99b79cfcf5b77c84']
+
+builddependencies = [
+    ('binutils', '2.32')
+]
+
+moduleclass = 'lib'
diff --git a/v/VTK/VTK-8.2.0-intel-2020a-Py-3.7.eb b/v/VTK/VTK-8.2.0-intel-2020a-Py-3.7.eb
new file mode 100644
index 00000000..64ad221f
--- /dev/null
+++ b/v/VTK/VTK-8.2.0-intel-2020a-Py-3.7.eb
@@ -0,0 +1,79 @@
+# IT4Innovations 2020
+
+easyblock = 'CMakeMake'
+
+name = 'VTK'
+version = '8.2.0'
+versionsuffix = '-Py-3.7'
+
+homepage = 'http://www.vtk.org'
+description = """The Visualization Toolkit (VTK) is an open-source, freely available software system for
+ 3D local_computer graphics, image processing and visualization. VTK consists of a C++ class library and several
+ interpreted interface layers including Tcl/Tk, Java, and Python. VTK supports a wide variety of visualization
+ algorithms including: scalar, vector, tensor, texture, and volumetric methods; and advanced modeling techniques
+ such as: implicit modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay triangulation."""
+
+toolchain = {'name': 'intel', 'version': '2020a'}
+toolchainopts = {'usempi': True}
+
+source_urls = ['https://www.vtk.org/files/release/%(version_major_minor)s']
+sources = [
+    SOURCE_TAR_GZ,
+    '%(name)sData-%(version)s.tar.gz',
+]
+checksums = [
+    '34c3dc775261be5e45a8049155f7228b6bd668106c72a3c435d95730d17d57bb',  # VTK-8.2.0.tar.gz
+    'd1ff312f7a63d90d8b7033a99109801f16a462ae411d648642838aae04bcc21e',  # VTKData-8.2.0.tar.gz
+]
+
+builddependencies = [('CMake', '3.16.2', '', True)]
+
+dependencies = [
+    ('Py', '3.7', '', True),
+    ('XZ', '5.2.4'),
+    ('HDF5', '1.10.6'),
+    ('netCDF', '4.7.3'),
+    ('libGLU', '9.0.0', '', True),
+    ('X11', '20190717', '', True),
+    ('pandas', '1.0.0', versionsuffix, True),
+    ('numpy', '1.18.1', versionsuffix, True),
+    ('scipy', '1.3.3', versionsuffix, True),
+    ('mpi4py', '3.0.1', versionsuffix),
+]
+
+separate_build_dir = True
+
+maxparallel = 1
+
+# Third party modules
+configopts = "-DVTK_USE_SYSTEM_MPI4PY=ON "
+configopts += "-DVTK_USE_SYSTEM_LZMA=ON "
+configopts += "-DVTK_USE_SYSTEM_HDF5=ON "
+configopts += "-DVTK_USE_SYSTEM_NETCDF=ON "
+# OpenGL
+configopts += "-DOPENGL_glu_LIBRARY=$EBROOTLIBGLU/lib/libGLU.%s " % SHLIB_EXT
+configopts += "-DOPENGL_gl_LIBRARY=$EBROOTMESA/lib/libGL.%s " % SHLIB_EXT
+configopts += "-DOPENGL_INCLUDE_DIR=$EBROOTMESA/include "
+# Python
+configopts += "-DVTK_WRAP_PYTHON=ON "
+configopts += "-DVTK_PYTHON_VERSION=2.7 "
+configopts += "-DPYTHON_INCLUDE_DIR=$EBROOTPYTHON/include/python3.7m "
+configopts += "-DPYTHON_LIBRARY=$EBROOTPYTHON/lib/libpython3.7.%s " % SHLIB_EXT
+# Other
+configopts += "-DVTK_Group_MPI:BOOL=ON "
+configopts += "-DCMAKE_INSTALL_LIBDIR=lib"
+
+preinstallopts = "export PYTHONPATH=%(installdir)s/lib/python3.7/site-packages:$PYTHONPATH && "
+
+modextrapaths = {'PYTHONPATH': ['lib/python2.7/site-packages']}
+
+sanity_check_paths = {
+    'files': ['bin/vtk%s-%%(version_major_minor)s' % x for x in
+              ['WrapJava', 'ParseJava', 'WrapPythonInit', 'WrapPython', 'WrapHierarchy']] +
+             ['bin/pvtkpython', 'bin/vtkpython'],
+    'dirs': ['lib/python3.7/site-packages/', 'include/vtk-%(version_major_minor)s'],
+}
+
+sanity_check_commands = [('python', "-c 'import %(namelower)s'")]
+
+moduleclass = 'vis'