---
title: "Cascii"
description: "Dependency-free vanilla JavaScript builder for ASCII and Unicode diagrams with layers, grouping, selection and autosave, runnable from a single HTML file."
canonical: "https://vibing.inc/library/cascii-vg-0316"
category: "Community Finds"
subcategory: "ASCII diagrams"
license: "Apache-2.0"
author: "Caspar Wylie (@casparwylie)"
source: "https://github.com/casparwylie/cascii-core"
---

# Cascii
Dependency-free vanilla JavaScript builder for ASCII and Unicode diagrams with layers, grouping, selection and autosave, runnable from a single HTML file.
## Facts
- Source: https://github.com/casparwylie/cascii-core
- Category: Community Finds / ASCII diagrams
- Author: Caspar Wylie (@casparwylie)
- Licence: Apache-2.0
- Tags: ascii, diagrams, vanilla-js, offline
## Why it's a gem
One self-contained HTML file, zero dependencies, works offline forever
---
Listed in The Vibeary: https://vibing.inc/library/cascii-vg-0316 · JSON: https://vibing.inc/api/public/library/gems/cascii-vg-0316