flems.io is described as 'Flems is a playground for web development. It's ideal for prototyping ideas & sharing working front-end code examples' and is an app in the Development category. There are more than 10 alternatives to flems.io for a variety of platforms, including Online / Web-based, Mac, Linux, Windows and Android. The best alternative is CodePen, which is free. Other great apps like flems.io are jsFiddle (Free), Repl.it (Freemium), JS Bin (Freemium, Open Source) and Glitch (Free).
CodePen is a social development environment for front-end designers and developers. 👋 It’s the best place to build and deploy a website, show off your work, build test cases, and find inspiration. We call them Pens.
Repl.it is a complete, collaborative cloud development environment in the browser featuring everything from linters and debuggers to third-party packages, hosting and deployment. FEATURES - Real-time collaborative code editing. - Live chat in the workspace.
Compile and Execute your favorite programming languages online, click any of the following to proceed! Web Technologies, Text Formatting, Useful Utilities, Programming Languages. Vim, emacs modes are avaliable.