When comparing JSFiddle vs SourceLair, the Slant community recommends SourceLair for most people. In the question“What are the best online IDEs?” SourceLair is ranked 5th while JSFiddle is ranked 9th. The most important reason people chose SourceLair is:
SourceLair provides a minimal Django stack which can be used to host projects and see development results right away. Plus, there's a public link that can be used to share with colleagues or team.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro CoffeeScript and SCSS support
In addition to supporting JavaScript and CSS, language settings can be switched to CoffeeScript and SCSS.
Pro Allows collaborating on code
JSFiddle makes it easy to save the code snippets and send the link to others who can view and edit the code.
Pro Supports a wide variety of frameworks and extensions
JSFiddle can switch to selection of frameworks and extensions including jQuery, AngularJS, ReactiveJS, D3 simply from a dropdown.
Pro Django stack, out of the box
SourceLair provides a minimal Django stack which can be used to host projects and see development results right away. Plus, there's a public link that can be used to share with colleagues or team.
Pro Simple and efficient interface
SourceLair features a very efficient interface, containing only the tools needed, thus providing focus on what's important - code.
Pro GitHub integration
SourceLair lets you log in and sign up with your GitHub account. This enables you to clone your GitHub repos with a single click and start working immediately on them.
Pro Git & Mercurial support
Every software project on sourceLair is backed up by the Source Control Manager of your choice; Git or Mercurial. Clone repos, commit, pull and push changes and work with branches on the cloud without having to install and configure anything or worry about compatibility between your Source Control Manager and the system of your choice.
Pro PHP real-time preview
You can split you editor and watch the result of your code in real time.
Cons
Con Not actually an IDE
JSFiddle is not actually an IDE and is only suitable for small blocks of code.
Con Non free/libre (proprietary)
Con Expensive
SourceLair offers a free plan that allows you one private project. However if you want more projects, the Pro plan is fairly expensive at $8/month ($96/year).