PyPy vs rEFIt
A side-by-side look at PyPy and rEFIt. For an in-depth review of either product, follow the links below.
PyPy
Development
PyPy is an alternative Python interpreter written in Python. It features a just-in-time compiler and supports many Python libraries and frameworks. PyPy focuses on speed, efficiency and compatibility with CPython.
pythoninterpreterjitfastcompatible
rEFIt
Os & Utilities
rEFIt is a boot menu and maintenance toolkit for macOS and Linux systems. It allows easy access to partition tools and boot options to help repair or reconfigure the system.
bootmenutoolkitmacoslinuxrepairreconfigure