diff --git a/README.md b/README.md
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@@ -718,6 +718,8 @@ Table of Contents
    * [JSONPlaceholder](http://jsonplaceholder.typicode.com/) Some REST API endpoints that return some fake data in JSON format. The source code is also available if you would like to run the server locally.
    * [jetbrains.com](https://jetbrains.com/products.html) — Productivity tools, IDEs and deploy tools. Free license for students, teachers, Open Source and user groups
    * [codepen.io](https://codepen.io/) — CodePen is a playground for the front end side of the web
+   * [jsfiddle.net](https://jsfiddle.net/) — JS Fiddle is a playground and code sharing site of front end web, support collaboration as well
+   * [jsbin.com](https://jsbin.com) — JS Bin is another playground and code sharing site of front end web (HTML, CSS and JavaScript. Also supports Markdown, Jade and Sass)
    * [repl.it](https://repl.it/) — A cloud coding environment for various program languages
    * [codesandbox.io](https://codesandbox.io/) — Online Playground for React, Vue, Angular, Preact and more
    * [stackblitz.com](https://stackblitz.com/) — Online VS Code IDE for Angular & React