Products

CASCII

Web-based ASCII diagram builder

cascii.app Source★ 957Productivity & Collaboration / Whiteboards & Diagrams

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Oct 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
Free
No monthly subscription pricing
Creators
Caspar Wylie
GitHub @casparwylie
Launched
20mo ago
2025-03-16 · Est.

Traffic

Monthly visitsData through Oct 2026

Marketing moves

Launches, search & content, referrals, promotions

  • Launched on Product HuntLaunch

    Web-based ASCII diagram builder

    Mar 26, 2025 · 20mo agoLaunch page

  • Launched on Show HN (12 pts · 4 comments)Launch

    CASCII – Put Diagrams in Your Code

    Mar 16, 2025 · 20mo agoLaunch page

  • Launched on Show HN (238 pts · 53 comments)Launch

    Cascii – A portable ASCII diagram builder written in vanilla JavaScript — 3 months ago I wanted to draw an ASCII diagram to include in some documentation at work. I found the few tools online to be insufficient,…

    Mar 16, 2025 · 20mo agoLaunch page

Third-party reviews & case dossiers

Acquisition breakdowns, engineer reviews & open-source metrics
Show HN
2025-03-16Source
Post excerpt:
3 months ago I wanted to draw an ASCII diagram to include in some documentation at work. I found the few tools online to be insufficient, and was suprised there wasn't a more complete tool to get the job done. Since, I've built Cascii from scratch in vanilla Javascript (I'm not an FE dev, it might be obvious...). I hope it works alright. Please check out the
Console.dev
2025-03-27Source
What engineers like:
Create WYSIWYG ASCII diagrams in your browser. Supports various primitives: text, steps, switches, tables. Easily export as text, or log in to save. Login is not required, though. You can choose ASCII or Unicode.
Trade-offs & limitations:
No way to import existing diagrams.
Best suited for:
Users who need to create ASCII diagrams

Open Source & Self-Hosting

GitHub · MCP / Skill
casparwylie/cascii-core
Last commit 2026-06-30
GitHub Stars
★ 957
Forks
21
License
See repository
Primary language
—
Browse peer open-source projects →

Traffic sources

Oct 2026

Traffic breakdown

Channels

No data yet

Countries

No data yet

Search

Domain authority —Domain registered 2025-03-08

KeywordMonthly volume
ascii diagram1,810
ascii flow450
cascii50
ascii flowchart20

Traffic data: Vaneform

Pricing

Website does not list public plan prices.

Trial: None · Observed 2026-11-07 · Source page

Pages & changes

Tracked since 2025-03-26

Key pages

Weekly snapshots
Home
cascii.app/ Snapshot 2026-11-07

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much website traffic does CASCII get?
Vaneform estimates <5K website visits in 2026-10. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is CASCII and what platforms does it support?
CASCII is catalogued under Whiteboards & Diagrams: Web-based ASCII diagram builder. Supported platforms: Web.
Is CASCII open source?
CASCII has a public repository (https://github.com/casparwylie/cascii-core) with its source repository published, recording 957 GitHub stars.Source

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