csvkit Updated +Created
Lots of features, but slow because written in Python. A faster version may be csvtools. Also some annoyances like obtuse header handing and missing features like grep + cut in one go: csvgrep and select column in csvkit.
PennyLane Updated +Created
By Xanadu.
Apparently meant to be higher level.
Homepage: pennylane.ai/
pyBullet Updated +Created
Python library for Bullet Physics.
Became very popular as of result of people using Bullet Physics for reinforcement learning AI training robot simulations.
Website: pybullet.org/
Source code: somewhere inside the main Bullet Physics source tree. Yay.
Qiskit Updated +Created
Python library, claims multiple backends, including simulation and real IBM quantum computer.