Unofficial Windows Binaries for Python Extension Packages

by Christoph Gohlke, Laboratory for Fluorescence Dynamics, University of California, Irvine.

This page provides 32- and 64-bit Windows binaries of many scientific open-source extension packages for the official CPython distribution of the Python programming language.

The files are unofficial (meaning: informal, unrecognized, personal, unsupported, no warranty, no liability, provided "as is") and made available for testing and evaluation purposes.

If downloads fail reload this page, enable JavaScript, disable download managers, disable proxies, clear cache, and use Firefox. Please only download files manually as needed.

Most binaries are built from source code found on PyPI or in the projects public revision control systems. Source code changes, if any, have been submitted to the project maintainers or are included in the packages.

Refer to the documentation of the individual packages for license restrictions and dependencies.

Use pip version 6 or newer to install the downloaded .whl files. This page is not a pip package index.

Many binaries depend on NumPy-1.10+MKL and the Microsoft Visual C++ 2008 (x64, x86, and SP1 for CPython 2.6 and 2.7), Visual C++ 2010 (x64, x86, for CPython 3.3 and 3.4), or the Visual C++ 2015 (x64 and x86 for CPython 3.5) redistributable packages.

The binaries are compatible with the official CPython distribution on Windows >=6.0. Chances are they do not work with custom Python distributions included with Blender, Maya, ArcGIS, OSGeo4W, ABAQUS, Cygwin, Pythonxy, Canopy, EPD, Anaconda, WinPython etc. Many binaries are not compatible with Windows XP or Wine.

The packages are ZIP or 7z files, which allows for manual or scripted installation or repackaging of the content.

The files are provided "as is" without warranty or support of any kind. The entire risk as to the quality and performance is with you.


  1. Index by date:
  2. simpleitk
  3. mysqlclient
  4. bottleneck
  5. cvxpy
  6. nitime
  7. setuptools
  8. pyparsing
  9. bazaar
  10. pyrsistent
  11. numexpr
  12. mkl-service
  13. yt
  14. cyordereddict
  15. pycurl
  16. blaze
  17. aiohttp
  18. bokeh
  19. pillow
  20. dynd
  21. mercurial
  22. genshi
  23. vtk
  24. triangle
  25. rpy2
  26. pymongo
  27. ipython
  28. fiona
  29. rasterio
  30. gdal
  31. networkx
  32. gensim
  33. pyfftw
  34. pyfits
  35. scikits.odes
  36. python-sundials
  37. numpy
  38. pip
  39. grako
  40. cytoolz
  41. pyldap
  42. python-lzo
  43. mod_wsgi
  44. py-lmdb
  45. msgpack
  46. pycorrfit
  47. scipy
  48. xarray
  49. numba
  50. ujson
  51. psutil
  52. python-ldap
  53. cx_oracle
  54. guiqwt
  55. pythonqwt
  56. pygments
  57. glumpy
  58. fisx
  59. cffi
  60. jupyter
  61. pywin32
  62. pytools
  63. logbook
  64. peewee
  65. pyzmq
  66. regex
  67. pyserial
  68. matplotlib
  69. iris
  70. cartopy
  71. astropy
  72. pandas
  73. pyproj
  74. kivy
  75. gevent
  76. scs
  77. babel
  78. scandir
  79. netcdf4
  80. veusz
  81. xxhash
  82. pywavelets
  83. netifaces
  84. opencv
  85. pulp
  86. sqlalchemy
  87. libsvm
  88. flann
  89. requests
  90. pyopencl
  91. debug-information-files
  92. mahotas
  93. pyamf
  94. openimageio
  95. pyamg
  96. menpo
  97. dulwich
  98. gr
  99. kwant
  100. pythonmagick
  101. cvxcanon
  102. wrapt
  103. qimage2ndarray
  104. pymol
  105. dipy
  106. lazy_object_proxy
  107. tinyarray
  108. sfepy
  109. lxml
  110. libxml-python
  111. certifi
  112. bcolz
  113. twisted
  114. spyder
  115. coverage
  116. nibabel
  117. hmmlearn
  118. cellcognition
  119. pysqlite
  120. apsw
  121. wordcloud
  122. qt_graph_helpers
  123. pymvpa
  124. imread
  125. milk
  126. nipy
  127. pyspharm
  128. slycot
  129. scikit-umfpack
  130. assimulo
  131. pymc
  132. scikit-learn
  133. simpleparse
  134. iminuit
  135. btrees
  136. vlfd
  137. pgmagick
  138. scons
  139. libsbml
  140. pyx
  141. pyemd
  142. bsddb3
  143. tornado
  144. polygon
  145. cyrasterize
  146. lmfit
  147. mako
  148. simplejson
  149. pytz
  150. llvmlite
  151. pymcmc
  152. biopython
  153. scikit-fmm
  154. pyopengl
  155. mpi4py
  156. pyaudio
  157. openbabel
  158. ta-lib
  159. py_gd
  160. openexr
  161. thrift
  162. cython
  163. psycopg
  164. shapely
  165. pyhdf
  166. six
  167. pythonnet
  168. pyqwt
  169. pyqt4
  170. pyksvd
  171. pytables
  172. intbitset
  173. blosc
  174. nipype
  175. fonttools
  176. pycuda
  177. blender-mathutils
  178. cvxopt
  179. lsqfit
  180. jsonlib
  181. pyeda
  182. multineat
  183. pyviennacl
  184. blz
  185. python-igraph
  186. pymetis
  187. pycares
  188. pyglet
  189. cx_freeze
  190. la
  191. quantlib
  192. pystemmer
  193. mistune
  194. llist
  195. gvar
  196. cdecimal
  197. liblas
  198. pygame
  199. bigfloat
  200. autopy
  201. ceodbc
  202. yappi
  203. datrie
  204. entropy
  205. ecos
  206. cobra
  207. cyassimp
  208. crcmod
  209. crc16
  210. curses
  211. fann2
  212. python-levenshtein
  213. pypmc
  214. pymssql
  215. pyminuit
  216. pydde
  217. pycosat
  218. pycluster
  219. pycld2
  220. ffnet
  221. fisher
  222. noise
  223. persistent
  224. jpype
  225. pyrxp
  226. sparsesvd
  227. zodbpickle
  228. zope.interface
  229. zs
  230. setproctitle
  231. reportlab
  232. rtmidi-python
  233. line_profiler
  234. lp_solve
  235. marisa-trie
  236. minepy
  237. mlpy
  238. natgrid
  239. nlopt
  240. ode
  241. planar
  242. pybluez
  243. pyephem
  244. pyfltk
  245. pyhook
  246. gmpy
  247. scikits.vectorplot
  248. pyodbc
  249. basemap
  250. bitarray
  251. blist
  252. bsdiff4
  253. fastcluster
  254. greenlet
  255. hddm
  256. heatmap
  257. liblinear
  258. udunits
  259. twainmodule
  260. python-snappy
  261. python-lz4
  262. pylzma
  263. h5py
  264. pyyaml
  265. statsmodels
  266. videocapture
  267. scikit-image
  268. markupsafe
  269. pyicu
  270. pycairo
  271. boost.python
  272. freeimagedll
  273. pygraphviz
  274. nltk
  275. sympy
  276. visvis
  277. mxbase
  278. pyvisa
  279. ets
  280. openpiv
  281. meshpy
  282. jinja2
  283. backports.lzma
  284. wfastcgi
  285. pmw
  286. libpython
  287. pyside
  288. nose
  289. pycparser
  290. zodb
  291. vispy
  292. re2
  293. bioformats
  294. pymunk
  295. python-dateutil
  296. javabridge
  297. qutip
  298. pycifrw
  299. friture
  300. psychopy
  301. pygtk
  302. cgal-bindings
  303. bio_formats
  304. jcc
  305. pysfml
  306. pyexiv2
  307. pylibdeconv
  308. iocbio
  309. libtfr
  310. pymix
  311. umysql
  312. lazyflow
  313. python-cjson
  314. mmlib
  315. pybox2d
  316. openglcontext
  317. pyvrml97
  318. cheetah
  319. pycogent
  320. scikits.timeseries
  321. casuarius
  322. wxpython
  323. ilastik
  324. pyfmi
  325. quickfix
  326. pywcs
  327. scientificpython
  328. vpython
  329. nmoldyn
  330. mmtk
  331. pyalembic
  332. polymode
  333. orange
  334. scikits.delaunay
  335. cld
  336. py-fcm
  337. oursql
  338. zfec
  339. holopy
  340. py2exe
  341. pymutt
  342. vigra
  343. carray
  344. llvmpy
  345. cgkit
  346. epydoc
  347. console
  348. pymedia
  349. pymca
  350. cellprofiler
  351. scitools
  352. scipy-cluster
  353. scikits.scattpy
  354. scikits.samplerate
  355. scikits.ann
  356. scikits.audiolab
  357. pyxml
  358. pytst
  359. enaml
  360. delny
  361. trfit
  362. rtree
  363. mysql-python
  364. htseq
  365. aspell-python
  366. pyusb-ftdi
  367. silvercity
  368. steps
  369. pylibtiff
  370. pysparse
  371. fipy
  372. vitables
  373. pyropes
  374. scikits.hydroclimpy
  375. sendkeys
  376. pydbg
  377. kiwisolver
  378. atom
  379. docutils
  380. faulthandler
  381. pygit2
  382. pyisapie


Other useful packages and applications not currently available on this page


Build Environment

  1. Libraries (built from source):
  2. Alembic
  3. AMD
  4. ANGLE
  5. ANN
  6. ASIO
  7. Aspell
  8. Assimp
  9. AVbin
  10. BerkeleyDB
  11. BLAS
  12. Blosc
  13. Boost
  14. Box2D
  15. bsd-xdr
  16. bzip2
  17. C-ares
  18. Cairo
  19. Cassowary
  20. CFitsIO
  21. CGAL
  22. Chipmunk2D
  23. EasyBMP
  24. Eigen
  25. Expat
  26. FFTW
  27. FLAC
  28. FLANN
  29. FLTK
  30. FMILibrary
  31. Freeglut
  32. FreeImage
  33. FreeTDS
  34. FreeType
  35. FreeXL
  36. GDAL
  37. GEOS
  38. GeoTIFF
  39. GLEW
  40. GLFW
  41. GLPK
  42. GLUT
  43. GraphicsMagick
  44. Graphviz
  45. GSL
  46. HDF4
  47. HDF5
  48. iconv
  49. ICU
  50. igraph
  51. ImageMagick
  52. ITK
  53. JasPer
  54. jsoncpp
  55. Jxrlib
  56. Kerberos
  57. KissFFT
  58. Klib
  59. LAME
  60. LAPACK
  61. LEMON
  62. lib3ds
  63. libcurl
  64. libevent
  65. Libffi
  66. libGD
  67. libgit2
  68. Libidn
  69. libInChI
  70. libjpeg
  71. libjpeg-turbo
  72. LibKML
  73. LIBLINEAR
  74. liblzma
  75. libmng
  76. libpng
  77. LibRaw
  78. libsamplerate
  79. libSBML
  80. libsodium
  81. libspatialindex
  82. libssh2
  83. LIBSVM
  84. LibTIFF
  85. libusb
  86. Libxml2
  87. Libxslt
  88. LibYAML
  89. Little CMS
  90. LLVM
  91. lp_solve
  92. lz4
  93. LZMA
  94. LZO
  95. Mesa
  96. METIS
  97. Minizip
  98. MPC
  99. MPEG_Encode
  100. MPFR
  101. MPIR
  102. MUMPS
  103. Muparser
  104. MySQL Connector/C
  105. NetCDF
  106. Netpbm
  107. ODE
  108. Ogg
  109. OpenAL
  110. OpenBabel
  111. OpenColorIO
  112. OpenCV
  113. OpenEXR
  114. OpenImageIO
  115. OpenJPEG
  116. OpenLDAP
  117. OpenMPI
  118. OpenNI
  119. OpenPGM
  120. OpenSSL
  121. PDCurses
  122. Pixman
  123. PortAudio
  124. PortMidi
  125. PostgreSQL
  126. PROJ.4
  127. Ptex
  128. Pthreads-w32
  129. Qhull
  130. Qt
  131. QuickFIX
  132. RE2
  133. RtMidi
  134. SASL
  135. SDL
  136. SDL_gfx
  137. SDL_image
  138. SDL_mixer
  139. SDL_ttf
  140. SFML2
  141. Silo
  142. SLICOT
  143. Smpeg
  144. Snappy
  145. sparsehash
  146. SPHEREPACK
  147. SQLite
  148. SuiteSparse
  149. SUNDIALS
  150. SuperLU
  151. SZip
  152. TCL/TK
  153. UDUNITS
  154. UMFPACK
  155. Uriparser
  156. ViennaCL
  157. Vorbis
  158. VTK
  159. WebP
  160. wxWidgets
  161. Xerces
  162. Xmlsec
  163. YAML
  164. ZeroMQ
  165. zlib
  1. SDKs and libraries (prebuilt):
  2. Apache HTTP Server
  3. ASIO SDK
  4. Bio-Formats
  5. ESRI File Geodatabase API
  6. GTK2
  7. Intel Integrated Performance Primitives
  8. Intel Math Kernel Library
  9. Intel SDK for OpenCL Applications
  10. Intel Threading Building Blocks
  11. libsndfile
  12. MATLAB(tm)
  13. Microsoft DirectX SDK (June 2010)
  14. Microsoft MPI v6
  15. Microsoft Platform SDK for Windows Server 2003 R2
  16. Microsoft SQL Server
  17. Microsoft Windows SDK v6.1 Windows Server 2008 and .NET Framework 3.5
  18. Microsoft Windows SDK v7.0 for Windows 7 and .NET Framework 3.5 Service Pack 1
  19. Microsoft Windows SDK v7.1 for Windows 7 and .NET Framework 4
  20. NVidia CG Toolkit
  21. NVidia CUDA Toolkit
  22. Oracle Instant Client
  23. Oracle Java SE Development Kit
  24. Python
  25. R
  1. Compilers:
  2. Clang
  3. Intel Composer XE 2013 SP1
  4. Intel Parallel Studio XE 2016 Composer
  5. Lazarus
  6. Microsoft Platform SDK for Windows Server 2003 R2
  7. Microsoft Visual C++ 2008 Feature Pack
  8. Microsoft Visual C++ Compiler for Python 2.7
  9. Microsoft Visual Studio .NET 2003
  10. Microsoft Visual Studio 2008 Pro
  11. Microsoft Visual Studio 2010 Pro
  12. Microsoft Visual Studio 2015 Community
  13. MinGW
  14. MinGW-w64
  15. Mingw-w64-for-python
  16. NASM
  17. Rtools
  18. Yasm
  1. Build tools:
  2. ActivePerl
  3. Ant
  4. Bazaar
  5. Bento
  6. BJam
  7. CMake
  8. CVS
  9. Cygwin
  10. Cython
  11. doxygen
  12. Epydoc
  13. Git
  14. JCC
  15. Jom
  16. M4
  17. Mercurial
  18. MSYS
  19. MSYS2
  20. Node.js
  21. Nose
  22. NSIS
  23. PyPy
  24. Python
  25. SCons
  26. SIP
  27. Sphinx
  28. Subversion
  29. SWIG
  30. Waf
  1. Other software:
  2. 7-Zip
  3. Avconv
  4. com0com
  5. Dependency Walker
  6. FFmpeg
  7. GhostScript
  8. GnuWin32
  9. Info-ZIP
  10. Inkscape
  11. InpOutx64
  12. MEncoder
  13. MiKTeX
  14. Notepad++
  15. Pandoc
  16. PTVS
  17. Redis
  18. Spyder
  19. Sysinternals Suite
  20. Ubuntu
  21. Windows 10
  22. WingIDE
  23. WinMerge
  1. Other CPython distributions:
  2. ActivePython
  3. Anaconda
  4. Python(x,y)
  5. Pyzo
  6. WinPython

Christoph Gohlke, Laboratory for Fluorescence Dynamics