Use free-of-cost tools like Notepad+ +, Macromedia Dreamweaver, Sublime text, etc. These are easy to use.
Tools for Testing
XAMPP, WAMP, LAMP, and MAMP are the servers for testing, and implementation.
A good recommendation is XAMPP server which supports all browsers and Operating systems.
How to use XAMPP server? Download, run, open it.
Apache, MySQL, FileZilla, Mercury, Tomcat. Now your screen is showing these options.
Run MySQL or Apache servers.
For WAMP server, make or copy your website files and folders on the www folder in WAMP.
For XAMPP server make or copy your website files and folders on htdocs folder in XAMPP. For running your website simply write in your web browser – localhost\folder name or if it is PHP file type localhost\name.php. Now you can test your whole website programs on your server. You can also manage your PHP Admin panel from your web browser.
To Run or access your PHP admin panel type localhost/phpMyAdmin on your web browsers.