You could have known and use many of these repositories before. But also, among these 34, you will find some new and brilliant stuff that can benefit your work or inspire you.

Most popular JS repositories in June 2020

1. Johnny-Five is an open-source, Firmata Protocol based, IoT and Robotics programming framework. 11,677 stars by now
2. TOAST UI Editor is a markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible. 11,393 stars by now
3. Karma is a simple tool that allows you to execute JavaScript code in multiple real browsers. The main purpose of Karma is to make your test-driven development easy, fast, and fun. 11,234 stars by now
4. Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with different data types like numbers, big numbers, complex numbers, fractions, units, and matrices. Powerful and easy to use. 10,094 stars by now
5. Nock is an HTTP server mocking and expectations library for Node.js. 9,747 stars by now
6. React Query is a repository with hooks for fetching, caching, and updating asynchronous data in React. 9,483 stars by now
7. discord.js is a powerful Node.js module that allows you to easily interact with the Discord API. 6,326 stars by now
8. React Date Picker is a simple and reusable Datepicker component for React. 4,935 stars by now
9. Elasticsearch Node.js client — Official Elasticsearch client library for Node.js. 4,307 stars by now
10. Madge is a developer tool for generating a visual graph of your module dependencies, finding circular dependencies, and give you other useful info. Joel Kemp’s dependency-tree is used for extracting the dependency tree. 4,064 stars by now
11. thelounge is a modern, responsive, cross-platform, self-hosted web IRC client. 3,723 stars by now

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