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Ask HN: What are you working on? (September 2025)

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441–450 of 1001 posts

Re: Ask HN: What are you working on? (September 2025)

#441
ViewMD - A Mac Markdown Viewer app

It looks like Markdown is having a bit of a heyday with it being the default mode of docs for AI coders. And it became apparent that there is no simple, but powerful Markdown viewer for the Mac, so I made one.

It supports all the usual Markdown formatting but also diagrams and equations so you can get Claude to not only write up your system docs but also supply a diagram of the database structure, logic, or AWS services.

It would be cool if you gave it a go :-) It is in the Mac app store "ViewMD"

Re: Ask HN: What are you working on? (September 2025)

#442
Solo-building this project for some time, going to launch the first version in a week or so!

https://elmo.dev - a tool that automatically builds a searchable knowledge base around your project based on your conversation with coding tools.

It works automatically and doesn't require your attention. To build KB it uses same tool as you (claude/codex/gemini) so it uses the same quota and you don't have to pay additionally for the AI running it.

The result is ./elmodocs directory in the root of your project. You can reference CLAUDE.md/AGENTS.md/GEMINI.md to this directory or directly include the whole directory or its parts into the coding context.

Re: Ask HN: What are you working on? (September 2025)

#443
post #94

Working on a webapp for critically think with others about a problem. The idea is that you build a diagram that contains all the details about the problem and people's thoughts on it, and it's organized in such a way that it's easy to just keep refining , down to the smallest detail. So you build this concrete, shared understanding , and move it forward and forward, until hopefully y'all can make some best decision t…

I wanted something similar for a worldview. I want an app where I can dump all the things that actively go into shaping my worldview and then when someone wants to know why I think the way I do, I will share them the link of my worldview board. We are not famous people to have our memoir written but this is another way to peek into minds of strangers.

Re: Ask HN: What are you working on? (September 2025)

#445
I recently released JazzEar, an iOS app for ear training. Specifically focuses on improving recognition of chord progressions you would hear in jazz standards.

https://jazzear.com/

Now I'm working on a smaller app for jazz musicians to manage their tune list and act as a tool to help practice and review tunes. I wanted this app to tell me what tunes on my list I haven't played in a while (and might forget), or try different keys or exercises on the tune and track what I found difficult.

Re: Ask HN: What are you working on? (September 2025)

#446
I recently published a book about coding, and put it all online for free: https://elementsofcode.io

I suppose it has moved from “what are you working” to “what have you worked on” territory, but since I wrapped up the website just about a week ago it still feels quite fresh.

Always interested in feedback and what folks find useful! It’s focused on the mechanics of writing understandable software, which I think is especially important in the age of AI slop.

Re: Ask HN: What are you working on? (September 2025)

#448
We are building an operating system for making sustainability compliance trivial. Currently we are using a combination of modern AI agents and traditional methods. If you are a hyperscaler or in a heavy industry or just need support for dealing with e.g. California's SB 253 and SB 261, shoot me a message.

hello@carbonimpacthq.com

We are a small team but growing quickly.

Re: Ask HN: What are you working on? (September 2025)

#449
post #362

https://sumostats.com a fun side project to track Sumo stats. Every two months there’s a 15-day tournament where 670 rikishi(sumo wrestler) fighting ~160 matches each day. I’m recording all the results and kimarite (winning moves) into a browsable database with charts and videos. Recently I have been using Gemini to process and edit the daily match videos. It works surprising well. It can detect the start/end of each…

Sumo fan here, this is cool. UI is great. I assume you know about sumodb? I don't say that to discourage you, but people are tracking stats. Since you are good at UI, here's something I would really like: a Natto-style page for each bout that I can manually page through as I watch the basho. Since Natto is underground, I have to watch the basho on NHK or Abema or via Kintamayama - all fine, but I miss the Natto graph…

Sumodb is great and still better in many ways!

I was testing something like this with https://sumostats.com/live (a second-screen style page, so you can quickly look up the current match and it follows along live).

But I think I know what you mean... I'll check out Natto graphics again (haven't seen it in a while) and will try make something up for next basho!

Re: Ask HN: What are you working on? (September 2025)

#450

Trying to document my current hobby project, but stuck in the analysis phase. I dont even know what it is. When I try to describe its purpose I get blank looks. People tend to need physical demonstrations to understand whats going on. Its not entirely new, or novel, its definitely not revolutionary, but it is a hybrid of so many things, in a very indirect sense, that its just beyond my verbiage. Not a humble brag, I…

Er... is it software? Hardware?

Has both. Hardware is mostly in the prototype phase.
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