diff --git a/c/Cube/Cube-4.6-GCCcore-10.2.0.eb b/c/Cube/Cube-4.6-GCCcore-10.2.0.eb
new file mode 100644
index 00000000..eeeec404
--- /dev/null
+++ b/c/Cube/Cube-4.6-GCCcore-10.2.0.eb
@@ -0,0 +1,24 @@
+# IT4Innovations
+# # LK 2021
+
+easyblock = "Toolchain"
+
+name = 'Cube'
+version = '4.6'
+
+homepage = 'http://www.scalasca.org/software/cube-4.x/download.html'
+description = """Cube, which is used as performance report explorer for Scalasca and
+ Score-P, is a generic tool for displaying a multi-dimensional performance space
+ consisting of the dimensions (i) performance metric, (ii) call path, and (iii) system
+ resource. Each dimension can be represented as a tree, where non-leaf nodes of the tree
+ can be collapsed or expanded to achieve the desired level of granularity."""
+
+toolchain = {'name': 'GCCcore', 'version': '10.2.0'}
+
+dependencies = [
+    ('CubeWriter', '4.6'),
+    ('CubeLib', '4.6'),
+    ('CubeGUI', '4.6'),
+]
+
+moduleclass = 'perf'
diff --git a/i/ipp/ipp-2020.3.304.eb b/i/ipp/ipp-2020.3.304.eb
new file mode 100644
index 00000000..b5caa5a4
--- /dev/null
+++ b/i/ipp/ipp-2020.3.304.eb
@@ -0,0 +1,31 @@
+# IT4Innovations 
+# LK 2021
+
+name = 'ipp'
+version = '2020.3.304'
+
+homepage = 'http://software.intel.com/en-us/articles/intel-ipp/'
+description = """Intel Integrated Performance Primitives (Intel IPP) is an extensive library
+ of multicore-ready, highly optimized software functions for multimedia, data processing,
+ and communications applications. Intel IPP offers thousands of optimized functions
+ covering frequently used fundamental algorithms."""
+
+toolchain = SYSTEM
+
+sources = ['l_ipp_%(version)s.tgz']
+
+#ocal_gccver = '6.3.0'
+#ocal_binutilsver = '2.27'
+#ersionsuffix = '-GCC-%s-%s' % (local_gccver, local_binutilsver)
+
+#ependencies = [
+#   ('GCCcore', local_gccver),
+#   ('binutils', local_binutilsver, '', ('GCCcore', local_gccver)),
+#
+
+dontcreateinstalldir = 'True'
+
+# license file
+license_file = '/apps/licenses/intel/license.lic'
+
+moduleclass = 'perf'
diff --git a/i/itac/itac-2020.3.036.eb b/i/itac/itac-2020.3.036.eb
new file mode 100644
index 00000000..466e6713
--- /dev/null
+++ b/i/itac/itac-2020.3.036.eb
@@ -0,0 +1,23 @@
+# IT4Innovations
+# LK 2021
+
+name = 'itac'
+version = '2020.3.036'
+
+homepage = 'http://software.intel.com/en-us/intel-trace-analyzer/'
+description = """The Intel Trace Collector is a low-overhead tracing library that performs
+ event-based tracing in applications. The Intel Trace Analyzer provides a convenient way to monitor application
+ activities gathered by the Intel Trace Collector through graphical displays. """
+
+toolchain = SYSTEM
+
+sources = ['l_itac_p_%(version)s.tgz']
+
+dontcreateinstalldir = 'True'
+
+preferredmpi = 'impi5'
+
+# license file
+license_file = '/apps/licenses/intel/license.lic'
+
+moduleclass = 'tools'