😱 Falsehoods Programmers Believe in

A modern formatting library

HarfBuzz text shaping engine

Emoji images and names.

The home of the ICU project source code.

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

🔍 ugrep 7.8 file pattern searcher -- a user-friendly, faster, more capable grep replacement. Includes a TUI, Google-like Boolean search with AND/OR/NOT, fuzzy search, hexdumps, searches (nested) archives (zip, 7z, tar, pax, cpio), compressed files (gz, Z, bz2, lzma, xz, lz4, zstd, brotli), pdfs, docs, and more

Twitter Text Libraries. This code is used at Twitter to tokenize and parse text to meet the expectations for what can be used on the platform.

Modern C++ Terminal Emulator

Terminal security for developers and AI agents. Intercepts homograph URLs, pipe-to-shell, ANSI injection, obfuscated payloads, data exfiltration, and malicious AI skills/configs before they execute.

良心的 Python 教程，面向零基础初学者简明易懂的 Python3 入门基础课程。在linux+vim生产力环境下，从浅入深，从简单程序学到网络爬虫。可以配合蓝桥云上实验环境操作。

Interactive ASCII art diagram generators. 🌟

Header-only TOML config file parser and serializer for C++17.

UTF-8 with C++ in a Portable Way

📚 single header utf8 string functions for C and C++

Weather in terminal, with ANSI colors and Unicode symbols

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers, Ghostty and Bun.

A regular expression to match all Emoji-only symbols as per the Unicode Standard.

Solving i18n for client-side and resource-constrained environments.

Shorten URLs using invisible spaces