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

I am working on a guitar practice app[1]. It's a metronome that captures speed and duration as you practice. This data can then be visualized. It's designed to be used on a desktop/laptop as there are keyboard shortcuts for easily controlling the metronome while playing the instrument, but otherwise it works quite well in mobile browsers too.

It started as a personal project a few months back. Since then, I have been using it myself, alongside building the functionality I need. Lately I have been working on polishing it up in order to put it out there for others.

Based on my usage so far, I've come to realize some good second order effects too -

1. having a list of exercises helps me quickly pick something meaningful to practice rather than noodling for most of the time.

2. At the end of a practice session, the total duration is just 15-20 mins yet it feels like quality practice. So now, even if I have just 20-30 mins of free time, I am motivated to squeeze in a quick practice session. Turns out, this is a game changer (at least for myself).

Feature wise, I'm quite happy with the current state of it although I have some ideas for premium features (if it generates enough interest). In the coming weeks, I am planning to switch gears a bit and focus more on marketing/promotion. I also need to play more, because ironically, my practice time has reduced in the last few weeks in the pursuit of "launching" it! Also, I've set a goal to publish one new exercise in the library every week until the end of this year.

[1]: https://www.captrice.io

I have a startup idea and I’m curious what others think.

Setting up AI agents is way too complicated. I am constantly being sent to GitHub pages with installation instructions that require way too many dependencies, API connections, and more. We’re talking hours of setup and config.

So what if there was an open-source marketplace where you could just search, find an agent, click deploy, get launched into an already configured agent, and just have it do its thing? Essentially a marketplace discoverablity, automated deployment infrastructure and an interface to manage your agents.

I’d also probably create some kind of open-source solution, probably a custom Docker container, so developers can easily build agents and wrap them in a container and upload them for deployment.

Thoughts? Does anything like this already exist?

P.S. No, I don’t want to build or use another crappy AI agent builder. I want to deploy open-source agents already built by actual developers.

I started a small company selling accessories that I design, 3d print, and build for old 16mm film cameras. I recently released a crystal synchronized motor for Arri cameras, which allows you to record sound and have it sync up properly later, that has actually been selling pretty well. My next goal is to get into CNC machining with metal and actually build a modern 16mm film camera.

For my day job I am currently working for an online education company. I have been learning about the concepts behind knowledge tracing and using knowledge components to get a fine grained perspective on what types of skills someone has acquired throughout their learning path. It is hard because our company hasn't really had any sort of basis to start from, so I have been reading a lot of research papers and trying to understand, from sort of first principles, how to approach this problem. It has been a fun challenge.

3D Drone Wargame.

(https://horus.sh)

I'm developing a wargame-like 3D simulator designed to train AI drones into elite stealth pilots. By integrating reinforcement learning techniques and utilizing real-life local landscape data, the simulator offers highly realistic mission scenarios.

Working on a text client for the web: https://youtu.be/Q_w6_zDwNWM

JavaScript works, scrolling - but layout is still being figured out! Also missing are form controls, etc etc.

It's meant to just be text (no images, etc) and to work in your terminal. It's NOT meant to alter/condense the layout to something like "reader mode" - just to be a faithful "GUI -> TUI" rendering in the terminal.

Like Lynx, but upgraded for the modern web. So maybe I'll call it Jaguar, but probably not! The idea is that other options like Brow.sh may be overcomplicated, hard to maintain, focused on a kind of graphical fidelity. Whereas this is more BBS style text only, but still usable. Minimum viable text, so to speak.

Leave your email if you want to know when it's ready to try out: https://tally.so/r/wbzYzo