This document discusses trends in developing software applications in the cloud. It notes that web applications are now continuously integrated and iterated online. It then summarizes several online integrated development environments (IDEs) that allow collaboratively developing and deploying web applications in the cloud, including eXo Cloud-IDE, Cloud9 IDE, Coderun Studio, Kodingen, and JsApp.US. Each IDE supports features like syntax highlighting, auto-complete, version control integration, and deploying applications to platforms as a service. The document concludes that online IDEs enable collaborative web software development through the web.