Webcamoid - Webcamoid is a full featured webcam capture application.
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.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
Kajero - Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.
Deco UI Kit - Everything you need to make a social, news or shop app.
BeakerX - Open Source Polyglot Data Science Tool