JSFiddle is the best code playground for online coding and is used by developers and designers to test and share code snippets.

JS Bin is a live online pastebin and collaborative debugging tool for HTML, CSS, and JavaScript, used by developers and coders.

Brackets is a modern, open source code editor for web designers and front-end developers, featuring live preview and inline editing.

PSPad is a freeware universal text editor and IDE alternative for Windows developers needing syntax highlighting, code folding, and FTP integration.

Playcode is a lightning-fast JavaScript playground and sandbox for writing, running, learning, and prototyping code instantly in the browser.

phpDesigner 8 is the best PHP IDE for web development and is used by developers to create amazing websites and applications.