JSFiddle is an online IDE service and online community for testing and showcasing user-created and collaborational HTML, CSS and JavaScript code snippets, known as 'fiddles'.
Platforms
- Online
Poland
EU

Sites and apps similar to Vivix include jsFiddle, which has a free version. Other options are JS Bin, Python Tutor and DevTools. In total there are four Code Editors like Vivix for self-hosting, Mac, Windows and Linux.
JSFiddle is an online IDE service and online community for testing and showcasing user-created and collaborational HTML, CSS and JavaScript code snippets, known as 'fiddles'.

JS Bin is a collaborative open source JavaScript debugging tool. Enter Javascript in one pane and HTML in the other and see the result; share using a short URL. Choose popular JS libs from a menu, so you don't have to remember the URL.

Python Tutor helps people overcome a fundamental barrier to learning programming: understanding what happens as the computer executes each line of a program's source code.

A free, open-source Postman-style API tester you run locally. Record browser requests, auto-generate chained tests, and ship them straight to your CI—no sign-ups, no cloud, just code.

