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

• TensorFlow
• Requests
• pandas
• scikit-learn
• Tornado
• XGBoost
• IPython
• mitmproxy
• SaltStack
• Bokeh
• Kivy
• Matplotlib
• NumPy
• Pillow
• SciPy
• ccxt
• Zulip
• SymPy
• Jupyter notebook
• Spyder
• Scikit Image
• PyMC3
• Cython
• Tensorpack
• pytest
• Hypothesis
• marshmallow
• xonsh
• Astropy
• geopy
• Biopython
• Nikola
• FontTools
• Pythran
• xarray
• dateutil
• CherryPy
• Tryton
• PyStan
• MISP
• MNE
• Software Carpentry
• ADB-Enhanced
• Cartopy
• scikit-bio
• fecon235
• SunPy
• Axelrod
• rpy2
• FEniCS
• RDKit
• Toyplot
• MetPy
• Nengo
• pyLast
• Psi4
• PySCIPOpt
• OpenQuake engine
• yt
• cmd2
• Urduhack
• osBrain
• PyMeasure
• TatSu
• Chaquopy
• angr
• BioBuilds
• freud
• signac
• PLATON

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