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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react-dropzone-esm
An ESM/CJS-ready fork of react-dropzone for drag-and-drop file uploads in React.
weakmap-polyfill
A lightweight, spec-compliant ES6 WeakMap polyfill for browsers and JS engines without native support.
simple-xml-to-json
A tiny, dependency-free library that transpiles XML into JSON through an AST.
estree-util-build-jsx
Converts JSX embedded in an ESTree syntax tree into React.createElement or automatic jsx-runtime calls.
EVP_BytesToKey
Reimplements OpenSSL's legacy EVP_BytesToKey key-derivation algorithm in pure JavaScript for compatibility with older OpenSSL-encrypted data.
Untitled UI Icons React
1,100+ hand-crafted Untitled UI icons packaged as tree-shakeable, typed React components.
tag-expressions
A small boolean-expression parser and evaluator for selecting Gherkin scenarios by tag, used by behave and other Cucumber-family test runners.
string.prototype.matchall
Spec-compliant ES2020 polyfill for String.prototype.matchAll.
@connectrpc/validate
A Connect interceptor that validates RPC requests and responses using Protobuf constraints and CEL expressions.
use-device-pixel-ratio
A React hook that returns the device pixel ratio and reacts to changes across displays.
quickjs-rs
Sandboxed JavaScript and TypeScript execution for Python, running QuickJS inside a WebAssembly sandbox.
@tinyhttp/logger
Minimal and flexible HTTP request logger middleware for tinyhttp and Node.js.
node-client-sdk
LaunchDarkly's client-side feature-flag SDK for single-user Node.js apps, now superseded by the scoped @launchdarkly/node-client-sdk package.
cssinjs-utils
Typed CSS-in-JS helper utilities that power Ant Design's style-generation, token-calculation, and CSS-variable pipeline.
@datadog/native-metrics
A native Node.js addon that collects CPU, V8 heap, garbage-collection, and event-loop metrics directly from libuv and V8 internals.
estree-util-is-identifier-name
A tiny estree utility that checks whether a string or code point can be a valid ECMAScript identifier name.
@posthog/brand
PostHog's official brand assets — logo, colors, RoundHog font, and hedgehog illustrations as React components
React Data Grid (Grafana Fork)
A virtualized, keyboard-accessible React data grid with sorting, inline editing, row grouping, and frozen columns.
react-split-pane
A resizable, nestable split-pane React component for building draggable panel layouts.
Repomix
Packs an entire repository into a single AI-friendly file, complete with token counts, secret scanning, and an MCP server for direct AI assistant access.
Material Components for Web
Modular and customizable Material Design UI components for the web.
tinacms
Git-backed headless CMS that gives React apps live, in-context Markdown editing and a generated GraphQL content API.
selectize.js
A jQuery-based custom select UI control with autocomplete, tagging, and keyboard-driven multi-select for forms.
Agent-Native
A full-stack TypeScript framework where AI agents and UI share the same actions, database, and context.
