diff --git a/b/Bazel/Bazel-0.20.0-GCC-6.3.0-2.27.eb b/b/Bazel/Bazel-0.20.0-GCC-6.3.0-2.27.eb
new file mode 100644
index 00000000..6d044616
--- /dev/null
+++ b/b/Bazel/Bazel-0.20.0-GCC-6.3.0-2.27.eb
@@ -0,0 +1,19 @@
+# It4Innovations 2019
+
+name = 'Bazel'
+version = '0.20.0'
+
+homepage = 'http://bazel.io/'
+description = """Bazel is a build tool that builds code quickly and reliably.
+It is used to build the majority of Google's software."""
+
+toolchain = {'name': 'GCC', 'version': '6.3.0-2.27'}
+
+source_urls = [    'https://github.com/bazelbuild/bazel/releases/download/%(version)s']
+sources = ['%(namelower)s-%(version)s-dist.zip']
+
+builddependencies = [('binutils', '2.27')]
+
+dependencies = [('Java', '1.8.0_144', '', True)]
+
+moduleclass = 'devel'
diff --git a/m/mock/mock-3.0.5-Py-3.6.eb b/m/mock/mock-3.0.5-Py-3.6.eb
new file mode 100644
index 00000000..bce65cb4
--- /dev/null
+++ b/m/mock/mock-3.0.5-Py-3.6.eb
@@ -0,0 +1,24 @@
+# IT4Innovations 2013
+
+easyblock = "PythonPackage"
+name = 'mock'
+version = '3.0.5'
+
+homepage = 'https://pypi.python.org/pypi/enum34'
+description = 'An enumeration is a set of symbolic names (members) bound to unique, constant values.'
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+source_urls = [PYPI_SOURCE]
+sources = ['mock-3.0.5.tar.gz']
+
+dependencies = [
+    ('six', '1.12.0'),
+]
+
+sanity_check_paths = {
+    'files': [],
+    'dirs': ['lib/python3.6/site-packages/'],
+}
+
+moduleclass = 'python'
diff --git a/n/numpy/numpy-1.16.3-Py-3.6.eb b/n/numpy/numpy-1.16.3-Py-3.6.eb
new file mode 100644
index 00000000..7170cb3a
--- /dev/null
+++ b/n/numpy/numpy-1.16.3-Py-3.6.eb
@@ -0,0 +1,31 @@
+# IT4Innovations 2019
+
+easyblock = 'PythonPackage'
+
+name = 'numpy'
+version = '1.16.3'
+
+homepage = 'http://www.numpy.org'
+description = """NumPy is the fundamental package needed for scientific computing with Python."""
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+source_urls = ['https://github.com/numpy/numpy/releases/download/v%(version)s']
+sources = [SOURCE_TAR_GZ]
+
+patch = [
+    'numpy-1.8.1-mkl.patch',
+    'numpy-1.11.0-sse42.patch'
+]
+
+dependencies = [
+    ('mkl', '2017.4.239', '', True),
+]
+
+sanity_check_paths = {'files': [], 'dirs': [
+    'lib/python3.6/site-packages/%(name)s-%(version)s-py3.6-linux-x86_64.egg/numpy'], }
+
+sanity_check_commands = [
+    ('python', '-c "import numpy; assert(numpy.__version__ == \'%(version)s\')"')]
+
+moduleclass = 'python'
diff --git a/s/six/six-1.12.0-Py-3.6.eb b/s/six/six-1.12.0-Py-3.6.eb
new file mode 100644
index 00000000..52bfe977
--- /dev/null
+++ b/s/six/six-1.12.0-Py-3.6.eb
@@ -0,0 +1,20 @@
+# IT4Innovations 2019
+
+easyblock = "PythonPackage"
+name = 'six'
+version = '1.12.0'
+
+homepage = 'https://github.com/benjaminp/six'
+description = 'Python 2 and 3 compatibility library.'
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+source_urls = ['https://github.com/benjaminp/six/archive/']
+sources = ['%(version)s.tar.gz']
+
+sanity_check_paths = {
+    'files': [],
+    'dirs': ['lib/python3.6/site-packages/%(name)s-%(version)s-py3.6.egg'],
+}
+
+moduleclass = 'python'
diff --git a/w/wheel/wheel-0.33.4-Py-3.6.eb b/w/wheel/wheel-0.33.4-Py-3.6.eb
new file mode 100644
index 00000000..9847bd0b
--- /dev/null
+++ b/w/wheel/wheel-0.33.4-Py-3.6.eb
@@ -0,0 +1,20 @@
+# IT4Innovations 2019
+
+easyblock = "PythonPackage"
+name = 'wheel'
+version = '0.33.4'
+
+homepage = 'https://pypi.python.org/pypi/wheel'
+description = 'A built-package format for Python.'
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+source_urls = [PYPI_SOURCE]
+sources = [SOURCE_TAR_GZ]
+
+sanity_check_paths = {
+    'files': [],
+    'dirs': ['lib/python3.6/site-packages/%(name)s-%(version)s-py3.6.egg'],
+}
+
+moduleclass = 'python'