🔩 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

The standard library of the D programming language

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

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

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

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

MoonBit's Core library

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

Go标准库学习笔记

📚 Swoole Library

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

《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。

The Ultimate Workshop Track for #golang Developer

Runtime polyfills for TypeScript libs, powered by core-js! 🔋 🔩

The Ballerina Library