Ruberoid 

Build strings the most over-engineered way imaginable: One().Three().Three().Seven() == "1337". A fluent, extensible, stringly-typed string builder.

Morse code pack for Stringly: build dits and dahs by hand, or convert an accumulated phrase with ToMorse() — "SOS".ToMorse() spells "... --- ...".

NATO phonetic alphabet pack for Stringly: Alpha().Bravo().Charlie() and radio macros like TenFour(). An example of how to extend Stringly from a separate package.

Emoji pack for Stringly: Fire().Rocket().Hundred() spells "🔥🚀💯". Multi-codepoint tokens, proving Stringly chains aren't limited to single chars.

Greek alphabet pack for Stringly: Alpha().Beta().Gamma() spells "αβγ" in real Unicode glyphs. Demonstrates that Stringly tokens are not limited to ASCII.