The best replacement for pypy is cpython.

The best alternatives to pypy are rated as following:
★★★★★  cpython
★★★★  cython
★★★  numba
★★  jython
★  luajit
★  pypi
  numpy
  stackless

Your alternative for pypy is not listed? Suggest!
Speaking about pypy, one probably shouldn't forget about numpy.

Other search terms related to pypy and their ratings are:
★★★★★ numpy
★★★ virtualenv
You have in mind a companion for pypy and it is not yet here? Propose!



Google Trends

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pypy
cpython
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