Welcome

Lightweight Scheme IDE for macOS and iOS

Overview

LispPad is a simple, lightweight, integrated development environment for developing and running Scheme code on macOS and iOS. The language supported by LispPad is based on the R7RS standard of the Scheme programming language. LispPad provides the following components:

• A fully integrated Scheme interpreter (based on the LispKit engine)

• A large range of supported libraries

• A text editor supporting syntax highlighting, smart indentation, parenthesis matching, text completion, page guides, etc.

• A console with a read-eval-print loop

• Support for audio, graphics, compression, Markdown, SQLite, etc.

LispPad is free and comes in two version: LispPad for macOS and LispPad Go for iOS. You can download a reference manual documenting all the core LispPad libraries. Please consider joining the LispPad mailing-list.

LispPad on macOS

LispPad session and environment browser

LispPad editor and tools

Graphics windows and the help system

Using sessions and editors side-by-side

LispPad on iOS

Session view

Library browser

Documentation viewer

Graphics in sessions

Program editor

Definition browser

File browser

Settings