Database

• Knex - A query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use;

Web frameworks

• Express - Fast, unopinionated, minimalist web framework for node;
• Hapi - The Simple, Secure Framework Developers Trust;

Testing frameworks

• Jest - Delightful JavaScript Testing;

Typescript

• typescript - TypeScript is a superset of JavaScript that compiles to clean JavaScript output;
• DefinitelyTyped - The repository for high quality TypeScript type definitions;

Logger

• winston - A logger for just about everything;

2D/3D

• three.js - JavaScript 3D library;

Games

• Phaser - Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers;

Utilities

• date-fns - Modern JavaScript date utility library;
• lodash - A modern JavaScript utility library delivering modularity, performance, & extras;
• dotenv - Loads environment variables from .env for nodejs projects;
• minimist - parse argument options;
• prettier - Prettier is an opinionated code formatter;
• semver - Semantic Versioning Specification;
• eslint - Find and fix problems in your JavaScript code;