There is a growing number of asynchronous tools available in JavaScript, including fundamental tools and tools within popular libraries such as Node.js. These technologies can be used in various applications, and learning about them can provide practical experience with real-time event notifications, API requests, and data fetching from unreliable REST APIs. The Twilio blog offers a series of posts covering these topics, along with examples and tutorials to help developers learn how to use asynchronous code in realistic situations.