Hooks into program lifecycle to display error messages to you in a helpufl way, with inlined code, colour, and helpful heuristics about what might be the cause.

WikiMD is an easy-to-use knowledge database, which has minimal system dependencies

A tiny Ruby library that implements Winnowing, an algorithm for document fingerprinting.

Generic components from jeromegn/DocumentUp for generating static HTML documentation from Markdown.

Xcodebuild formatter designed to be piped with `xcodebuild`, and thus keeping 100% compatibility. Now with security fixes patched in. It has modes for CI, running tests (RSpec dot-style), and it can also mine Bitcoins.

Convert between JSON, YAML, TOML, and various other formats.