Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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ora
An elegant, dependency-light terminal spinner for Node.js command-line apps and scripts.
idna
Internationalized Domain Names for Python — IDNA 2008 and UTS #46 encoding and decoding
Charset Normalizer
A pure-Python universal charset detector that turns text of unknown encoding into clean Unicode.
slugify
Slugify a string with accurate Unicode transliteration for URLs, filenames, and IDs.
cli-table3
Pretty unicode tables for the command line, drop-in API-compatible with the original cli-table
punycode.js
A robust Punycode converter for internationalized domain names, fully compliant with RFC 3492 and RFC 5891.
he
A robust, spec-compliant HTML entity encoder and decoder for JavaScript with full Unicode support.
chardet
Universal character encoding detector for Python with built-in language and MIME type detection.
encoding_rs
Fast, WHATWG-compliant character encoding conversion crate that powers Firefox's Web-facing text decoding.
unicode-normalization
Unicode NFC/NFD/NFKC/NFKD normalization for Rust strings, per UAX #15
unicode-segmentation
Split Rust strings into grapheme clusters, words, and sentences per Unicode UAX #29
icu
ICU4X: the Rust meta-crate for internationalization — locale-aware dates, collation, casing, segmentation, and more
fpdf2
A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.
transliteration
Converts Unicode text from any writing system into Latin ASCII or URL-safe slugs, with zero runtime dependencies.
CSS.escape
A lightweight, spec-compliant polyfill for the CSS.escape() method defined in CSSOM, for safely escaping CSS identifiers.
wcwidth
Measures the displayed width of Unicode strings in a terminal, so CLI/TUI output lines up correctly across CJK, emoji, and combining characters.
unicode-width
Determine the displayed width of Unicode characters and strings per UAX #11
get-east-asian-width
Determine the East Asian Width of a Unicode character using current Unicode data
Pretext
Fast, DOM-free multiline text measurement and layout for JavaScript and TypeScript
comfy-table
A minimalistic Rust library for building beautiful, dynamically-wrapped terminal tables
uniseg
A Go library implementing Unicode Text Segmentation, Line Breaking, and monospace string width calculation per the Unicode Standard.
chardetng
A no_std character encoding detector for legacy Web content, built to give Firefox parity with Chrome's ced on undeclared charsets.
xregexp
Extended, extensible JavaScript regular expressions with named capture, Unicode properties, free-spacing syntax, and a regex utility belt.
unicode-emoji-json
Up-to-date Unicode emoji data — names, slugs, groups, and skin tone variants — shipped as plug-and-play JSON files.
