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Dev tools · July 2, 2025

Runal – A text-based creative coding environment for the terminal

Hello HN! Just wanted to share a small project I've been working for the last few months. It's a tool called Runal, a text-based creative coding environment that runs in the terminal. It works similarly as processing or p5js but it does all the rendering as text. And it can either be scripted with JavaScript or used as a Go package. It's open-source and cross-platform (linux, macOS, windows). It seems to me that text/ascii-art aesthetics are really popular in creative coding communities, so I though it would make sense to create a tool that runs on a platform which can render text only.…

Runal – A text-based creative coding environment for the terminal launched on July 2, 2025 with 7 votes, #3,845 of 9,224 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.

What it does

a creative coding environment for the terminal :fireworks: - emprcl/runal

Runal is a text-based creative coding environment for the terminal. It works similarly as processing or p5js but it does all the rendering as text. It can either be programmed with JavaScript , or used as a Go package. Runal is a work-in-progress. The API should not be considered as stable until it reaches 1.0. The Linux arm builds cover the Raspberry Pi: use arm64 for the 64-bit Raspberry Pi OS, and armv7 / armv6 for the 32-bit Raspberry Pi OS (armv6 targets the Pi 1 /from github.com

In the maker’s words, at launch

Hello HN! Just wanted to share a small project I've been working for the last few months. It's a tool called Runal, a text-based creative coding environment that runs in the terminal. It works similarly as processing or p5js but it does all the rendering as text. And it can either be scripted with JavaScript or used…

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