A free and open-source JavaScript library for accessible creative coding

Start a promise chain by wrapping any function in a Promise with consistent error handling

Timeout a promise after a specified amount of time

Promise queue with concurrency control and advanced rate limiting capabilities for JavaScript and TypeScript applications

Run multiple promise-returning & async functions with limited concurrency

Create a lazy promise that defers execution until it's awaited or when .then(), .catch(), or .finally() is called

Promisify an event by waiting for it to be emitted with support for async iteration and advanced event handling

A javascript scrollbar plugin which hides native scrollbars, provides custom styleable overlay scrollbars and keeps the native functionality and feeling.

Function argument validation for humans with expressive, chainable API

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password library with Google Authenticator compatibility

Cross-platform utility library for detecting and retrieving the system locale from the operating system

Distributed p2p database on IPFS with automatic peer synchronization and conflict-free writes

A Node.js module for Oracle Database access from JavaScript and TypeScript

JavaScript option parsing and help generation library with strict type checking and validation

Light-weight option parsing with an argv hash for Node.js command-line applications

JavaScript testing helpers for Ethereum smart contract development with assertions, event verification, balance tracking, and time manipulation.

Secure Smart Contract library providing battle-tested implementations of industry-standard Solidity contracts including ERC20, ERC721, ERC1155 tokens, access control mechanisms, proxy patterns, and governance systems for Ethereum and EVM-compatible blockchains.

Secure Smart Contract library for Solidity with comprehensive token standards, access control, utility components, payment mechanisms, GSN support, and introspection capabilities.

Secure Smart Contract library for Solidity with upgradeable implementations of standards like ERC20 and ERC721, flexible role-based permissioning schemes, and reusable components for building custom contracts and complex decentralized systems.

Cross-framework compatibility utilities and adapters for building Vue components that work seamlessly across Vue 2, Vue 2.7, and Vue 3