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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ESLint
The pluggable JavaScript and TypeScript linter that finds and fixes code problems through a fully customizable, plugin-based rule engine.
typescript-eslint
The official meta-package bundling the TypeScript ESLint parser, plugin, and rule presets behind a single typed config() helper.
eslint-plugin-react
React-specific linting rules for ESLint that catch JSX bugs, enforce Hooks conventions, and keep prop usage consistent.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
JSON5
JSON for humans: an extended JSON syntax with comments, trailing commas, and unquoted keys for hand-written config.
Protobuf-ES
A conformance-tested, ESM-first Protocol Buffers runtime and code generator for modern JavaScript and TypeScript.
esprima
A high-performance, standard-compliant ECMAScript parser producing ESTree-compatible ASTs for JavaScript tooling.
rquickjs
Safe, high-level Rust bindings to the QuickJS-NG JavaScript engine
deep-extend
Recursive deep-merge and deep-clone utility for JavaScript objects, arrays, dates, regexps, and buffers.
relative-time-element
Localized, auto-updating relative timestamps as a drop-in <time> element replacement, no framework required.
vanilla-colorful
A tiny, dependency-free color picker built as a native Custom Element that works with any framework.
js-string-escape
Escapes strings into safe JavaScript string literals, correctly handling quotes, backslashes, and all four ECMAScript line-terminator characters.
regexp.escape
A robust, spec-compliant polyfill for RegExp.escape() that safely escapes regex special characters, working as far down as ES3.
weakmap-polyfill
A lightweight, spec-compliant ES6 WeakMap polyfill for browsers and JS engines without native support.
estree-util-build-jsx
Converts JSX embedded in an ESTree syntax tree into React.createElement or automatic jsx-runtime calls.