PyPy has been working for me for several years now

1. Nuitka

   1 102 12,982 10.0 Python

   Nuitka is a Python compiler written in Python. It's fully compatible with Python 2.6, 2.7, 3.4-3.13. You feed it your Python app, it does a lot of clever things, and spits out an executable or extension module.

   

   Nuitka is actively maintained and support for 2.6 and 2.7. It is the work of a single guy, and I have never used it, so I don't know much about it.

   https://nuitka.net/

2. Judoscale

   judoscale.com featured

   Save 47% on cloud hosting with autoscaling that just works. Judoscale integrates with Django, FastAPI, Celery, and RQ to make autoscaling easy and reliable. Save big, and say goodbye to request timeouts and backed-up task queues.

   

3. prima

   2 14 345 7.8 Fortran

   PRIMA is a package for solving general nonlinear optimization problems without using derivatives. It provides the reference implementation for Powell's derivative-free optimization methods, i.e., COBYLA, UOBYQA, NEWUOA, BOBYQA, and LINCOA. PRIMA means Reference Implementation for Powell's methods with Modernization and Amelioration, P for Powell.

   

   I just recently made some Python wrappers for a Modern Fortran optimization library for derivative free optimization. https://github.com/libprima/prima

   It basically had to go through Fortran -> C -> C++ (with pybind11) -> Python. At one point we had a slightly simpler setup with Fortran -> C -> Python (with ctypes), but ended up going with pybind11 after some discussion with the SciPy folks who steered us away from ctypes.

4. psycopg

   3 9 1,920 9.4 Python

   New generation PostgreSQL database adapter for the Python programming language

   

5. asyncpg

   4 18 7,271 7.7 Python

   A fast PostgreSQL Database Client Library for Python/asyncio.

   

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