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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rails-erb-loader
A webpack loader that compiles embedded Ruby (.erb) templates into JavaScript for Rails projects.
@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.
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.
memory-level
In-memory abstract-level database for Node.js and browsers, backed by a fully persistent red-black tree.
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.
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.
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.
@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.
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.
selectize.js
A jQuery-based custom select UI control with autocomplete, tagging, and keyboard-driven multi-select for forms.
