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Dev tools · alternatives · 2026

24 alternatives to 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, 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 live version at https://cascii.app, report problems, make diagrams to improve your code's documentation. Hope you enjoy using it.

Cascii is a portable ASCII diagram builder built in vanilla JavaScript that runs in the browser. It enables developers and technical writers to create ASCII diagrams for code documentation without relying on external… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1CP

    A free, open-source ASCII diagram builder written in vanilla Javascript

    2025 · cascii.app · its alternatives →

  2. 2
    CASCII▲12

    Web-based ASCII diagram builder

    2025 · cascii.app · its alternatives →

  3. 3MA

    2024 · mermaid-ascii.art · its alternatives →

  4. 4

    Render 3D models (OBJ, glTF, GLB, STL, .vox) as ASCII art — in the browser, in React or Vue, or straight in your terminal. A three.js-style API with no WebGL and no canvas: just text in a single <pre>.

    Jun 2026 · glyphcss.com · its alternatives →

  5. 5AT

    2016 · ivanceras.github.io · its alternatives →

  6. 6TM
  7. 7

    Create beautiful ascii trees. Contribute to spandanb/asciitree development by creating an account on GitHub.

    2019 · github.com · its alternatives →

  8. 8AA
  9. 9

    Build terminal dashboards using ascii/ansi art and javascript - yaronn/blessed-contrib

    2015 · github.com · its alternatives →

  10. 10

    I've made an ASCII drawing board. You can set any brush, canvas size, export art as a text file. I want to keep it as manual&#x2F;analog as possible, hence there is no tool for converting image to ASCII. Prompting LLMs to draw ASCII art turned out to be a difficult task . So instead I decided to ask it make a drawing board. Wihtout coding agent I wouldn't even try myself. Although it is an interesting task, it would drift me away. Basically it's just a drawing board with endless variations of textures and brushes: when you make large canvas and zoom out you don't see ASCII anymore, but…

    2025 · delopsu.com · its alternatives →

  11. 11

    Artwork created using keyboard symbols and characters

    2021 · user.xmission.com · its alternatives →

  12. 12

    Nice looking versatile ASCII linegraph written in PHP - noximo/PHP-colored-ascii-linechart

    2018 · github.com · its alternatives →

  13. 13

    Esolang inspired by ASCII art. Contribute to aaronjanse/asciidots development by creating an account on GitHub.

    2017 · github.com · its alternatives →

  14. 14

    In the past I've used declarative diagram generation tools like Mermaid.js a lot for quickly drawing up things but for presentations or deliverables I find that I have to then move the generated diagrams over to a tool like Lucidchart which allows full control of the organization and customization. Therefore I am now working on this to combine the benefits of both into just one tool which can do both functions. The project is certainly in the early stages but if you find yourself making architecture diagrams I'd love to hear your thoughts on the idea or even a Github issue for a feature…

    Oct 2025 · github.com · its alternatives →

  15. 15CP

    2012 · dchang.mit.edu · its alternatives →

  16. 16

    ASCII art on your wall ¯\_(ツ)_/¯

    2016 · its alternatives →

  17. 17

    Nice-looking lightweight ASCII line charts generator for iOS

    2023 · apps.apple.com · its alternatives →

  18. 18

    This is a fun, new monospaced font that includes programming ligatures and is designed to enhance the modern look and feel of the Windows Terminal. - microsoft/cascadia-code

    2019 · github.com · its alternatives →

  19. 19IM

    I made a website for drawing ascii art with other people https:&#x2F;&#x2F;ascii-collab.app&#x2F; It's been online for a little over a year so there's a fair bit of stuff to browse if you want to look around (so much that I even made a poster https:&#x2F;&#x2F;ascii-collab.app&#x2F;poster.png) There are other websites like yourworldoftext that do this but ascii-collab has some extra features like per-user undo&#x2F;redo, box selection, a color highlight mode to see who made particular changes, and there's admin tools so I can remove spam. The code is open sourced here…

    2021 · its alternatives →

  20. 20AA

    ASCII AUTOMATA is a tool to analyze the visual connectivity of characters in textmode fonts. It works by scoring edge connectivity of each piece and finding the best matching neighbour piece. Every time it places a piece, it "grows" towards the edges it touches by placing a matching piece. The red heatmap shows how frequently each character is used, useful for analyzing the fonts. I initially made it as a tool for myself. When I design textmode art fonts it is sometimes difficult to figure out if a specific character would actually be useful for drawing or not. I wanted a tool which would…

    2025 · hlnet.neocities.org · its alternatives →

  21. 21AA
  22. 22DT

    2019 · dot-to-ascii.ggerganov.com · its alternatives →

  23. 23

    Chat roulette in your command line

    2019 · us-central1-your-boss.cloudfunctions.net · its alternatives →

  24. 24

    Surprise your readers with an original post using text art

    2022 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →