Piccolo
A Julia package for solving quantum optimal control problems using direct trajectory optimization.
Guppy, HUGR, TKET
Guppy: Pythonic quantum-classical programming language HUGR: Unified Graph Representation for quantum and classical programs TKET: Quantinuum's compiler for structured quantum and classical programs
BQSKit
The Berkeley Quantum Synthesis Toolkit (BQSKit) is a powerful and portable quantum compiler framework.