W3schools is a web developers app, with tutorials and references which will help you to learn languages such as HTML, CSS, JavaScript, PHP, SQL, W3.CSS, and Bootstrap, covering most aspects of web programming.
***This App is All in One Bundle of Following Apps***
* HTML ONLINE Tutorial
* PHP ONLINE Tutorial
* JAVASCRIPT ONLINE Tutorial
* SQL And MYSQL
* CSS ONLINE Tutorial
* HTML5 ONLINE Tutorial
* JQUERY ONLINE Tutorial
* Bootstrap ONLINE Tutorial
* XML ONLINE Tutorial
* Angular ONLINE Tutorial
* ASP .NET ONLINE Tutorial
* PYTHON ONLINE Tutorial