🔩 Like builtins, but boltons. 250+ constructs, recipes, and snippets which extend (and rely on nothing but) the Python standard library. Nothing like Michael Bolton.

Bash Infinity is a modern standard library / framework / boilerplate for Bash

📚 PHP Standard Library - a modern, consistent, centralized, well-typed, non-blocking set of APIs for PHP programmers

The standard library of the D programming language

MoonBit's Core library

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.

Portable base library for C programmers, designed for performance and simplicity.

🌀 Safe, performant, user-friendly and lightweight Haskell standard library

Cross-Platform, Protocol-Oriented Programming base library to complement the Swift Standard Library. (Pure Swift, Supports Linux)

Rust 核心库和标准库中文翻译，可作为 IDE 工具的智能提示，并生成本地 API 文档

A standard library with the same API in F#, Rescript and OCaml

The implementation of the Rascal meta-programming language (including interpreter, type checker, parser generator, compiler and JVM based run-time system)

Implementation of C++20's std::span for older compilers

Go标准库学习笔记

Python everything Cheatsheet and a Journey to the land of Python programming

📚 Swoole Library

C17-based extended standard library, cross-language type system, and unit testing framework targeting Dreamcast, Gamecube, PSP, PSVita, Windows, Mac, Linux, Android, iOS, and WebAssembly.

Cross-architecture parallel algorithms for Julia's CPU and GPU backends. Targets multithreaded CPUs, and GPUs via Intel oneAPI, AMD ROCm, Apple Metal, Nvidia CUDA.

《Python3 标准库》电子书和配套代码 "The Python Standard Library by Example" ebook and source code 一本又厚又全的讲解Python3标准库的书籍（1000多页）适合当作字典参考或者闲暇时慢慢阅读。

Runtime polyfills for TypeScript libs, powered by core-js! :battery: :nut_and_bolt:

The Ballerina Library

The Ultimate Workshop Track for #golang Developer

Sili - a collection of cross-platform single-header libraries for modern C/C++ programming.

A concept-centered standard library for C++20, enabling safer and more reliable products and a more modern feel for C++ code; Also home of Subdoc the code-documentation generator.

Default & bundled gems: Tracking Ruby's standard library

Preact Signals: Supercharge your React/Preact development! Unleash the power of reactive programming with hooks, components, a TanStack query adapter, and more. Code smarter, not harder

This is the Ballerina SerDes package, which is a part of the Ballerina Language Standard Library

A generic and general purpose Set implementation for the Zig language

Spaceship Go - A journey into the Standard Library

Library of backported modern C++ types to work with C++11