diff --git a/h/horovod/horovod-0.11.3-Py-3.6.eb b/h/horovod/horovod-0.11.3-Py-3.6.eb
new file mode 100644
index 0000000000000000000000000000000000000000..f833db3f54a05e1ddbbcaa2e28d5f617a486911b
--- /dev/null
+++ b/h/horovod/horovod-0.11.3-Py-3.6.eb
@@ -0,0 +1,24 @@
+# IT4Innovations 2018
+
+easyblock = "PythonPackage"
+name = 'horovod'
+version = '0.11.3'
+
+homepage = 'https://pypi.python.org/pypi/horovod'
+description = 'Distributed training framework for TensorFlow.'
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+source_urls = [PYPI_SOURCE]
+sources = [SOURCE_TAR_GZ]
+
+dependencies = [
+    ('Tensorflow', '1.2.1'),
+]
+
+sanity_check_paths = {
+    'files': [],
+    'dirs': ['lib/python3.6/site-packages/%(name)s-%(version)s-py3.6.egg'],
+}
+
+moduleclass = 'python'
diff --git a/n/NCCL/NCCL-2.1.4.eb b/n/NCCL/NCCL-2.1.4.eb
new file mode 100644
index 0000000000000000000000000000000000000000..17655223649e26773f26a8ab3f268f59a085c820
--- /dev/null
+++ b/n/NCCL/NCCL-2.1.4.eb
@@ -0,0 +1,27 @@
+# IT4Innovations 2018
+
+easyblock = 'Tarball'
+
+name = 'NCCL'
+version = '2.1.4'
+
+homepage = 'https://developer.nvidia.com/nccl'
+description = 'NVIDIA Collective Communications Library'
+
+toolchain = {'name': 'dummy', 'version': ''}
+
+sources = ['%(namelower)s_%(version)s.txz']
+
+dependencies = [
+#    ('glibc', '2.19'),
+    ('CUDA', '9.0.176'),
+]
+
+sanity_check_paths = {
+    'files': ['lib/libnccl.so'],
+    'dirs': ['lib', 'include']
+}
+
+modextrapaths = {'PYTHONPATH': 'python'}
+
+moduleclass = 'devel'
diff --git a/p/protobuf-python/protobuf-python-3.4.0-Py-3.6.eb b/p/protobuf-python/protobuf-python-3.4.0-Py-3.6.eb
new file mode 100644
index 0000000000000000000000000000000000000000..a6f201b1ff9f58569a21a01d6bf4dc257ad05fd3
--- /dev/null
+++ b/p/protobuf-python/protobuf-python-3.4.0-Py-3.6.eb
@@ -0,0 +1,33 @@
+# IT4Innovations 2017
+
+easyblock = 'PythonPackage'
+
+name = 'protobuf-python'
+version = '3.4.0'
+
+homepage = 'https://github.com/google/protobuf/'
+description = """Python Protocol Buffers runtime library."""
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+source_urls = ['https://github.com/google/protobuf/archive/v%(version)s']
+sources = [SOURCE_TAR_GZ]
+
+dependencies = [
+    ('protobuf', version )
+]
+
+# use_setup_py_develop = True
+
+start_dir = 'python'
+
+installopts = '--cpp_implementation'
+
+sanity_check_paths = {
+    'files': [],
+    'dirs': ['lib/python3.6/site-packages'],
+}
+
+options = {'modulename': 'google.protobuf' }
+
+moduleclass = 'devel'
diff --git a/p/protobuf/protobuf-3.4.0-Py-3.6.eb b/p/protobuf/protobuf-3.4.0-Py-3.6.eb
new file mode 100644
index 0000000000000000000000000000000000000000..d6cab2378f5fb70d1aa3430a161432abaf3460d5
--- /dev/null
+++ b/p/protobuf/protobuf-3.4.0-Py-3.6.eb
@@ -0,0 +1,31 @@
+# IT4Innovations 2018
+
+easyblock = 'ConfigureMake'
+
+name = 'protobuf'
+version = '3.4.0'
+
+homepage = 'https://code.google.com/p/protobuf/'
+description = """Google Protocol Buffers"""
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+toolchainopts = {'pic': True}
+
+sources = ['%(name)s-python-%(version)s.tar.gz']
+source_urls = ['https://github.com/google/protobuf/releases/download/v%(version)s/']
+
+# after instalation: python3 setup.py install --cpp_implementation
+postinstallcmds = [
+    'cp %(builddir)s/%(name)s-%(version)s/  %(installdir)s/build -R',
+]
+
+sanity_check_paths = {
+    'files': ['bin/protoc'],
+    'dirs': [],
+}
+
+modextravars = {
+    'PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION': 'cpp',
+}
+
+moduleclass = 'devel'
diff --git a/t/Tensorflow/Tensorflow-1.6.0rc0-CUDA-9.0.176-Py-3.6.eb b/t/Tensorflow/Tensorflow-1.6.0rc0-CUDA-9.0.176-Py-3.6.eb
new file mode 100644
index 0000000000000000000000000000000000000000..0c2652d92a4bd9a0fdc7acd703f0d11eaff8567a
--- /dev/null
+++ b/t/Tensorflow/Tensorflow-1.6.0rc0-CUDA-9.0.176-Py-3.6.eb
@@ -0,0 +1,33 @@
+# IT4Innovations 2018
+
+easyblock = 'PythonPackage'
+
+name = 'Tensorflow'
+version = '1.6.0rc0'
+versionsuffix = '-CUDA-9.0.176'
+
+homepage = 'https://www.tensorflow.org/'
+description = "An open-source software library for Machine Intelligence"
+
+toolchain = {'name': 'Py', 'version': '3.6'}
+
+#source_urls = ['https://pypi.python.org/packages/1f/38/c255432f18005362dd2459e3bff2b2411eb7d02ca09fa20ee1dd1311f69f/']
+sources = [
+    'tensorflow-%(version)s-cp36-cp36m-linux_x86_64.whl',
+]
+
+dependencies = [
+    ('cuDNN', '7.0.5', '-CUDA-9.0.176', True ),
+    ('numpy', '1.13.3'),
+    ('protobuf', '3.4.0'),
+]
+
+use_pip = True
+unpack_sources = False
+
+sanity_check_paths = {
+    'files': ['bin/tensorboard'],
+    'dirs': ['lib/python%(pyshortver)s/site-packages'],
+}
+
+moduleclass = 'lib'