These projects pledge to drop Python 2 support in or before 2020.

• TensorFlow
• scikit-learn
• PyTorch
• Apache Spark
• pandas
• Tornado
• Apache MXNet (Incubating)
• XGBoost
• mitmproxy
• IPython
• ccxt
• NumPy
• SaltStack
• Zulip
• Bokeh
• Matplotlib
• Kivy
• Pelican
• Pillow
• PyInstaller
• SciPy
• SymPy
• Jupyter notebook
• Dask
• Spyder
• pytest
• Tensorpack
• statsmodels
• PyMC3
• Cython
• marshmallow
• Hypothesis
• Apache Beam
• xonsh
• Scikit Image
• Sphinx
• geopy
• Neural Network Libraries
• MISP
• Astropy
• Biopython
• FontTools
• Nikola
• xarray
• GluonNLP
• Apache Libcloud
• Weblate
• Pythran
• dateutil
• CherryPy
• Tryton
• MNE
• Adversarial Robustness Toolbox
• tikzplotlib
• stumpy
• pydicom
• PyStan
• RDKit
• Software Carpentry
• ADB-Enhanced
• Cartopy
• fecon235
• scikit-bio
• MetPy
• Bottleneck
• SunPy
• Nengo
• Axelrod
• rpy2
• Toyplot
• Psi4
• pyLast
• iris
• ESMValTool
• meshio
• perfplot
• cmd2
• yt
• quadpy
• PySCIPOpt
• betterbib
• OpenQuake engine
• PyMeasure
• Urduhack
• osBrain
• Cylc Workflow
• FEniCS
• GSSAPI
• colorio
• TatSu
• Chaquopy
• angr
• BioBuilds
• orthopy
• freud
• signac
• Manticore
• PLATON
• GSTools
• Cantor
• DocRaptor
• Connectome Mapper 3
• lib3to6

• NetworkX
• folium
• PyQt5
• better-exceptions
• umap-learn
• hdbscan
• h5py
• python-gitlab
• python-chess
• awslimitchecker
• Altair
• music21
• imageio
• An Introduction to Applied Bioinformatics
• pyfakefs
• pvlib-python
• QIIME
• Py-ART
• SPADE
• Plyara
• gala
• stomp.py
• CIS
• cual-id
• tinytext
• fino
• OSMViz
• MambuPy
• Pyramid
• eml_parser
• odin
• jenkinsflow
• multiconf
• pyApp
• python-daemon