terrapin-ssg

Educational static site generator in Logo.

Learn programming while building websites. The turtle draws your layouts.

Who Is This For?

• Logo programmers returning to a beloved language

• Educators teaching programming concepts visually

• Anyone learning to code who wants practical projects

• Nostalgic developers from the Apple II era

Why terrapin-ssg?

Visual Programming

Watch the turtle draw your site layouts. Abstract concepts become tangible patterns.

Beginner-Friendly Syntax

Commands read like instructions: FORWARD 100, RIGHT 90. No cryptic syntax to decode.

Recursive Design

Logo’s recursive procedures naturally create complex, beautiful patterns from simple rules.

Generative Art

Every page can include unique turtle-generated SVG artwork. Your site literally draws itself.

Quick Start

; terrapin-ssg example
TO BUILD.SITE
  SITE "My First Site
  OUTDIR "_site

  PAGE "index "Welcome [
    REPEAT 4 [FORWARD 100 RIGHT 90]
  ]

  BUILD
END

BUILD.SITE

# Run with UCBLogo
logo src/terrapin-ssg.logo

Features

• Turtle graphics to SVG - procedural art in every page

• Interactive REPL - experiment with designs

• Recursive patterns - L-systems and fractals

• Simple syntax - accessible to beginners

• Visual feedback - see what you’re building

Requirements

• UCBLogo (Berkeley Logo) or compatible interpreter

Part of poly-ssg

terrapin-ssg is part of the poly-ssg family, unified through MCP integration.

License

PMPL-1.0-or-later