NumPy and SciPy are open-source add-on modules to Python that provide common mathematical and numerical routines in pre-compiled, fast functions.
License: Open Source
Julia excels in performance and is designed specifically for numerical computing, making it ideal for high-performance applications. In contrast, SciPy and NumPy are established libraries in Python with a strong community and extensive resources, focusing on ease of use and broad applicability in scientific computing.