Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Kajero - Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Calculist - The open-source, web-based thinking tool that facilitates effective thinking for solving problems.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.