A curated and opinionated list of resources for Chief Technology Officers, with the emphasis on startups

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

SWAPI - Star Wars API service

A React.js component for using @desandro's Masonry

Record, Replay, and Stub HTTP Interactions.

A clone of WhatsApp Web using pure JavaScript + Firebase and Auth - HCode course

⚡️ Full-featured visual editor and code generator for React using Chakra UI

A collection of useful .gitignore templates

A very compact representation of a placeholder for an image.

Simple, easily customised trigger-based auditing for PostgreSQL (Postgres). See also pgaudit.

A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.

Excel Workbook Manager

✨ A beautiful, responsive, highly customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes. Zero dependencies. 🇺🇦

ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

Retry a promise-returning or async function

A draggable and resizable grid layout with responsive breakpoints, for React.

⚡️ Simple, Modular & Accessible UI Components for your React Applications

Bree is a Node.js and JavaScript job task scheduler with worker threads, cron, Date, and human syntax. Built for @ladjs, @forwardemail, @spamscanner, @cabinjs.

Chance - Random generator helper for JavaScript

🌱 A delightful way to seed test data into your database.

List of standard and browser specific CSS properties.

Easily generate and modify .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

React Google Maps API

🎨 CSS drawings with only one HTML element.

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

A collective list of free APIs

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.