seymour

A live programming environment that lets you see the inner workings of programs

3Distinct people

4Mentions

0Explicit recommenders

84GitHub stars

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A live programming environment that lets you see the inner workings of programs

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Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 5:04:57 PM UTC.

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HN mentions by year4 dated mentions

Observed mentions: 2017-10-16 13:56:06 UTC to 2026-03-30 05:18:37 UTC.

* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

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Period	Start (UTC)	End (exclusive, UTC)	Mentions	Submissions	Comments
2017	2017-01-01 00:00:00 UTC	2018-01-01 00:00:00 UTC	2	0	2
2018	2018-01-01 00:00:00 UTC	2019-01-01 00:00:00 UTC	0	0	0
2019	2019-01-01 00:00:00 UTC	2020-01-01 00:00:00 UTC	1	1	0
2020	2020-01-01 00:00:00 UTC	2021-01-01 00:00:00 UTC	0	0	0
2021	2021-01-01 00:00:00 UTC	2022-01-01 00:00:00 UTC	0	0	0
2022	2022-01-01 00:00:00 UTC	2023-01-01 00:00:00 UTC	0	0	0
2023	2023-01-01 00:00:00 UTC	2024-01-01 00:00:00 UTC	0	0	0
2024	2024-01-01 00:00:00 UTC	2025-01-01 00:00:00 UTC	0	0	0
2025	2025-01-01 00:00:00 UTC	2026-01-01 00:00:00 UTC	0	0	0
2026 (partial)	2026-01-01 00:00:00 UTC	2027-01-01 00:00:00 UTC	1	0	1

4 sources

From https://ohmjs.org — Here are some awesome things people have built using Ohm: - Shopify's theme-tools (https://github.com/Shopify/theme-tools/), used in their online code editor and the official VS code extension. - Seymour (https://github.com/harc/seymour), a live programming environment for the classroom. - Shadama (https://tinlizzie.org/~ohshima/shadama2/live2017/), a particle simulation language designed for high-school science. - Slang (http://slang.kylestetz.com/), a browser-based audio programming language, and turtle.audio, a music sequencer inspired by turtle graphics programming. - Simpletalk (https://github.com/dkrasner/Simpletalk) is an expressive, programmable authoring system inspired by Hypercard and Smalltalk. (See also the StrangeLoop talk). - Wildcard (https://www.geoffreylitt.com/wildcard/), a browser extension tha

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t empowers anyone to modify websites to meet their own specific needs, uses Ohm for its spreadsheet formulas. - JAMScript (https://citelab.github.io/JAMScript/) is a programming language for edge-based IoT applications. - Bruno (https://github.com/usebruno/bruno) is an open source IDE for exploring and testing APIs. It has also been used in a number of projects by Ink & Switch (https://inkandswitch.com), including Potluck (Dynamic documents as personal software: https://www.inkandswitch.com/potluck/), the Deja Vu project at MIT (https://sdg.csail.mit.edu/project/deja-vu/), ...

Hi HN, I'm a researcher at HARC (https://harc.ycr.org/) and one of the authors of Ohm. We've used it to power several of our programming language investigations, such as Seymour (which was on HN yesterday: https://news.ycombinator.com/item?id=15471954) and Chorus (http://www.chorus-home.org/). If you're interested, here's the grammar for the language used in the Seymour demo: https://github.com/harc/seymour/blob/6f55361ad3410f42f67f183... Happy to answer any questions that you have!