Interactive Noise Map - Airspace Change Proposal
Map of noise around Edinburgh and the Lothians caused by Edinburgh airport.
PyPI+ - Python Package Explorer with Dependency Visualization | Search 500K+ Packages
Another handy tool for diving into the depdencies of Python packages as found on PyPI.
Mandelbrot Set Explorer
A pretty near web-based mandelbrot set explorer.
Loopy
Neat site that can be used to investigate and demonstrate the relationship of things in a sort of feedback loop approach.