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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kin-openapi
A Go library for parsing, validating, converting, and working with OpenAPI 2.0, 3.0, 3.1, and 3.2 documents.
idb-keyval
A tiny promise-based key-value store built on IndexedDB for the browser
Ace Builds
Prebuilt Ace code editor bundles for embedding a fast, extensible editor with 100+ language modes in any web app
elkjs
Automatic graph layout engine for node-link diagrams, ported from the Eclipse Layout Kernel (ELK).
react-helmet-async
Thread-safe document head management for React 16 through 19, encapsulating title, meta, and link tags per request during server rendering.
LinkeDOM
A fast, triple-linked-list DOM implementation for Node.js and Workers
colored
The simplest way to add ANSI colors and styles to terminal strings in Rust.
Cacheable
High-performance layer 1 / layer 2 caching engine built on Keyv
JSON-Patch
Lean, high-performance RFC 6902 JSON Patch and JSON Pointer implementation for applying, generating, validating, and observing diffs between JSON documents.
react-tweet
Renders live embedded tweets as React components, with built-in server-component data fetching and a themeable Twitter-style UI.
vscode-jsonrpc
A lightweight JSON-RPC messaging library that carries requests, responses, and notifications between a client and a server over streams, sockets, or IPC.
league/flysystem-aws-s3-v3
The official AWS S3 v3 SDK adapter for PHP Flysystem's unified filesystem API.
botocore
The low-level, foundational Python SDK that underpins both boto3 and the AWS CLI
Emoji Picker React
A fully customizable, zero-config emoji picker component for React
email-validator
Robust email address syntax and deliverability validation for Python
pretty-bytes
Convert byte counts into human-readable strings like 1337 → 1.34 kB, with binary, bit, and locale-aware formatting options.
@apidevtools/swagger-parser
Parses, validates, and dereferences Swagger 2.0 and OpenAPI 3.x specs in Node.js and browsers
toml
A pure-Python library for parsing and creating TOML documents, validated against the official TOML test suite.
sentry-go
The official Go SDK for capturing errors, panics, and performance traces and sending them to Sentry.
dotenv-expand
Expands variable references, command substitution, and encrypted values in dotenv-parsed .env files.
eslint-config-airbnb-typescript
Airbnb's ESLint config extended with TypeScript support
zod-validation-error
Turns raw Zod validation issues into clear, human-readable error messages.
chartjs-plugin-datalabels
Highly customizable Chart.js plugin for displaying and styling data labels on any chart type.
argon2
A pure-Rust implementation of the Argon2 password hashing function