This is what I wish `Base.@enum` was.

Cunning tricks though the julia compiler internals

Simple, consistent interfaces for any codec.

Collective tools for metaprogramming on Julia Expr

`@pack!` and `@unpack` macros

A simple index type that allows for inverted selections

Home of the MLJ model registry and tools for model queries and mode code loading

Fixed point types for julia

TAR files: create, list, extract them in pure Julia

Filesystem path types in julia

Basic color definitions and traits

Light-weight expression manipulation tools

🏩🏠🌆🏨🌇🏦

A simple shared suite of common derivative definitions

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Julia package for various special functions based on `log` and `exp`.

Julia library for optimal formatting of composite data structures

Optimisers.jl defines many standard optimisers and utilities for learning loops.

Missing value support for Julia

Julia Wrappers for the arpack-ng Fortran library

A Julia package for calculating hypergeometric functions

Hyperparameter optimization algorithms for use in the MLJ machine learning framework

Base library providing vectorization-tools (ie, SIMD) that other libraries are built off of.

A library of noise processes for stochastic systems like stochastic differential equations (SDEs) and other systems that are present in scientific machine learning (SciML)

Fast and simple nonlinear solvers for the SciML common interface. Newton, Broyden, Bisection, Falsi, and more rootfinders on a standard interface.

Delay differential equation (DDE) solvers in Julia for the SciML scientific machine learning ecosystem. Covers neutral and retarded delay differential equations, and differential-algebraic equations.

Use Optim to train Flux models and visualize loss landscapes

Scratch spaces for all your persistent mutable data needs

A Julia RNG with stable streams

A Julia package for representing block-banded matrices and banded-block-banded matrices

Ask the CPU for cache sizes, SIMD feature support, a running hypervisor, and more.

A Julia package for describing array layouts and more general fast linear algebra

Faster closure variable capture

Extra sorting algorithms extending Julia's sorting API

Julia math built-ins which return NaN and accumulator functions which ignore NaN

Static types useful for dispatch and generated functions.

Flux's ex AD

Zlib codecs for TranscodingStreams.jl.

Makes Julia's package extensions backwards compatible