VisualSitemaps - Autogenerate visual sitemaps in seconds.
Microlink - Extract structured data from any website
Algorithm Visualizer - Write down your algorithm to be visualized
CRX Extractor - Get any Chrome Extension source code. Learn and hack!
State.of.dev - Visualizing the current state of development
Parsers - Parsers is a platform for extracting unstructured data from sites and their visualization without code.