# Q# Library Registry

This document is a list of notable Q# library projects. If you have a library that you would like to add to this list, please open a pull request. If you have a Q# project that you'd like to share as a library, please see the [documentation on how to do this.](https://learn.microsoft.com/en-us/azure/quantum/how-to-work-with-qsharp-projects?tabs=tabid-qsharp%2Ctabid-qsharp-run#configuring-q-projects-as-external-dependencies).

## Unstable

[link](https://github.com/microsoft/qsharp/tree/main/library/unstable)

A general staging ground for some useful APIs that have not yet been stabilized into the standard library.

## Signed

[link](https://github.com/microsoft/qsharp/tree/main/library/signed)

Defines types and functions to work with signed qubit-based integers.

## FixedPoint

[link](https://github.com/microsoft/qsharp/tree/main/library/fixed_point)

Types and functions for fixed-point arithmetic with qubits.

