CodeSandbox
CodePen
replit
JSFiddle
StackBlitz
GitHub
Visual Studio Code
JS Bin
NumWorks
Qalculate!
SpeQ Mathematics
Calcbot for Apple Watch
NoteCalc
Event Viewer
SpeedCrunch
CalcTape
CodeSandbox NumWorksBased on our record, CodeSandbox seems to be a lot more popular than NumWorks. While we know about 300 links to CodeSandbox, we've tracked only 1 mention of NumWorks. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Ok last but not least, Codesandbox. This is a newcomer to online collaborative workspaces which seems much more advanced. Codesandbox.io allows you to create node/npm projects, install packages, setup webpack or bundlers, include frameworks like React or Vue, and code in Typescript or JavaScript. It looks and acts like an IDE (VSCode) in the cloud, allowing shareable projects, not just code snippets. - Source: dev.to / 2 months ago
Codesandbox.io — Online Playground for React, Vue, Angular, Preact, and more. - Source: dev.to / 4 months ago
Sync your projects effortlessly with GitHub. Codesandbox. - Source: dev.to / 4 months ago
Use online code editors such as Codesandbox or Stackblitz. They let you focus on writing code rather than dealing with local environment complexities. - Source: dev.to / 4 months ago
For this article, I will be using an online code editor called Codesandbox. You can go ahead and use it as well, you can also create normal React js application on your computer. - Source: dev.to / 5 months ago
Numworks.com is an open source calculator. Source: about 3 years ago
CodePen - A front end web development playground.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Calcbot for Apple Watch - Calculate, convert, and split tips from your wrist