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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acorn-typescript
An Acorn plugin that extends the fast JavaScript parser with TypeScript, JSX/TSX, and decorator syntax.
later
Composable library for defining recurring schedules and calculating their next or previous occurrences.
@tryghost/content-api
Official JavaScript client for Ghost's Content API, wrapping posts, pages, tags, authors, tiers, newsletters, and offers in a small promise-based interface.
ansicolor
A dependency-free JavaScript library for ANSI color styling, parsing, and ANSI-to-CSS/Chrome DevTools conversion.
UI-Router Core
Framework-agnostic state machine for URL-driven routing, transitions, and nested views in JS SPAs.
ieee754
Read and write IEEE 754 floating-point numbers to and from a Buffer or array-like object.
string-similarity-js
A lightweight, zero-dependency string similarity function using the Sorensen-Dice coefficient.
rails-erb-loader
A webpack loader that compiles embedded Ruby (.erb) templates into JavaScript for Rails projects.
Logto JS Core SDK
The framework-agnostic TypeScript core that powers Logto's entire JavaScript SDK family for OIDC authentication.
wreq-util
Browser and OkHttp client emulation, TLS certificate compression, and delay middleware for the wreq HTTP client.
@dr.pogodin/react-helmet
Thread-safe document head management for React 19 with tag deduplication, SSR support, and SEO tag prioritization.
haversine-distance
A zero-dependency JavaScript implementation of the Haversine formula for great-circle distance between two coordinates, in meters.
Protovalidate (ECMAScript)
Runtime validation for Protobuf messages, driven by buf.validate rule annotations in your .proto schema.
js-string-escape
Escapes strings into safe JavaScript string literals, correctly handling quotes, backslashes, and all four ECMAScript line-terminator characters.
final-form-arrays
Array mutators for Final Form that add push, pop, insert, remove, move, swap, and more to manage dynamic list fields.
flagsmith-js-client
The official JavaScript and React Native client SDK for Flagsmith, the open source feature flag and remote configuration platform.
commercetools Platform SDK
Fully-typed TypeScript client for every commercetools Composable Commerce API endpoint, generated straight from the platform's RAML spec.
truncate
A tiny zero-dependency JavaScript utility that truncates text to a length while keeping URLs and email addresses intact.
focus-options-polyfill
Polyfill for the focusOptions preventScroll flag on HTMLElement.focus().
regexp.escape
A robust, spec-compliant polyfill for RegExp.escape() that safely escapes regex special characters, working as far down as ES3.
@tryghost/api-framework
A composable request pipeline that runs Ghost's API controllers through validation, serialization, permissions, and query stages.
memory-level
In-memory abstract-level database for Node.js and browsers, backed by a fully persistent red-black tree.
configcat-js
Official JavaScript SDK for evaluating ConfigCat feature flags and remote config values directly in the browser.
weakmap-polyfill
A lightweight, spec-compliant ES6 WeakMap polyfill for browsers and JS engines without native support.
