About st-scheme

An R7RS-small Scheme interpreter running entirely in your browser via WebAssembly.

st-scheme features a multi-tier environment system that demonstrates the relationship between a language's primitives and its standard library. Switch between Full, Hybrid, Minimal, and Bare modes to see how Scheme builds itself.

Features

• R7RS-small compatible Scheme interpreter
• Four environment modes: Full, Hybrid, Minimal, Bare
• IDE view with editable Scheme prelude source
• Multiline input with auto-balanced parenthesis detection
• Save and share programs via URL
• Example gallery

Language Interpreter Series

st-scheme is part of the Serbek Technologies Language Interpreter Series:

• st-brainfuck — Brainfuck interpreter with visual debugger
• st-turtle — Logo turtle graphics interpreter
• st-scheme — R7RS-small Scheme interpreter (this project)
• st-forth — Forth interpreter

Support

For questions or issues, visit our contact page.

Built by Serbek Technologies.