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Ask HN: What Are You Working On? (June 2025)

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951–960 of 1001 posts

Re: Ask HN: What Are You Working On? (June 2025)

#952
SynoPosture is a posture monitoring app that utilizes your AirPods Pro, AirPods Max, or Powerbeats Pro to track your head orientation in real-time.

Whenever your head tilts past a set threshold for too long, SynoPosture reminds you to sit up and gently protect your neck, intelligently and without spamming.

## Core Features

- Real-time pitch, roll, yaw tracking via `CMHeadphoneMotionManager`

- Smart posture alerts after 5–60 s in a poor position

- Fully customizable sensitivity (10°–100° thresholds)

- Live Activities & Dynamic Island: countdown ring when posture timer is active

- Apple Watch companion app: real-time sync, haptics, Digital Crown refresh

- Enterprise-grade Anti-Flood System: 30s cooldowns, freshness filtering, pending update queue

- Full Accessibility Support: VoiceOver, Dynamic Type, high contrast, motion reduction

- Fully localized: English, Spanish, Arabic, Japanese, and more …

- Runs perfectly in the background or after force quit (via `BGTaskScheduler` + state persistence)

TestFlight Invite Link:

https://testflight.apple.com/join/qUuGREW5

Re: Ask HN: What Are You Working On? (June 2025)

#954
I’ve been working on Lexa ( https://cerevox.ai/ ) — a document parser that reduces token count in embedding chunks by up to 50% while preserving meaning, making it easier to build high-performing RAG agents.

The idea came from building a personal finance chatbot and hitting token limits fast — especially with PDFs and earnings reports full of dense, noisy tables. Our chunks were bloated with irrelevant data, which killed retrieval quality. So we built Lexa to clean and restructure documents: it clusters context intelligently and removes any spacing, delimiters, or artifacts that don’t add semantic value. The result is cleaner, more compact embeddings — and better answers from your LLM.

Next up, I’m exploring ways to let users fine-tune the parsing logic — using templates, heuristics, or custom rules through UI — to adapt Lexa to their domain-specific needs.

Re: Ask HN: What Are You Working On? (June 2025)

#955
I've been working on a system to manage my memes folder. It was slowly becoming impossible to find a specific meme, so I built a database with which I can:

* Index the folder * Generate captions with OCR and multiple ai models for all memes (since some models have better output on a given image than others) * Add user defined tags to images * Search across file names and captions

Everything runs locally with docker containers. I even built support so multiple systems can work on the captioning jobs since I figured that would be a bottleneck

Re: Ask HN: What Are You Working On? (June 2025)

#956
https://snowsignals.com/

SnowSignals - the snow conditions forecast. I love skiing but suck at finding great snow, especially in Tahoe, CA where the snow can be finicky.

SnowSignals forecasts snow conditions to show where you should be skiing. It does this by calculating a net energy balance across the terrain using weather data as input and simulating snow metamorphosis. We started a few months ago focused on the spring freeze/thaw use case and are ramping up on the winter use case (much more sophisticated metamorphosis simulations, wind transport, etc) - in winter '25, you'll know exactly where the powder stashes are and which ice sheets to avoid.

Less guesswork and more stoke is the goal!

Re: Ask HN: What Are You Working On? (June 2025)

#957

Not as exciting or big as some of the projects on here, but just a small personal one I’ve been wanting to do for a while. I recently impulse bought an Epson receipt printer, and I’ve started putting together a server in Go to print a morning update every day. Getting it to print the weather, my calendar and todos, news headlines, HN front page. Basically everything I pick up my phone for in the morning, to be on pap…

Did you see the recent submission "A receipt printer cured my procrastination [ADHD]" ( https://news.ycombinator.com/item?id=44256499 ) ?

Re: Ask HN: What Are You Working On? (June 2025)

#958
I've started creating algo-generated music based on realtime bird detections. This is my first time putting music out and it was a pretty easy process to go through. About $24 and a WAV file will pretty much do it through the major distribution channels. Do not expect to see any money, but still fun to experience the process and to be able to ask Siri to play my music.

  - https://music.apple.com/us/artist/birdymusic-com/1819583178
  - https://open.spotify.com/artist/28Jh4B0lVKVVWbVUvgpGTk

Re: Ask HN: What Are You Working On? (June 2025)

#959
Currently building https://kidzovo.com to fix the addictive relationship that young kids are forming with screens.

The idea is quite simple, make an interactive youtube for kids. Instead of passively watching video content for long periods of time, make it interactive similar to how AAP recommends parents to co-view, we offer an AI buddy to co-view & engage kids with small interactive activities where kids find & tap on objects, speak to answer questions & more.

If anyone here has kids between 2-8, please check it out and let me know your feedback.

Re: Ask HN: What Are You Working On? (June 2025)

#960
As the next Advent of Code is still 5 months away, I decided to build my own programming puzzle game: Marches & Gnats (https://mng.quest)

It's a browser-based game where you solve challenges using a Turing machine and eventually create a higher-level programming language on top of it. The story is set in 19th-century Estonia (so hopefully you'll learn something new about my country's history along the way).

I built it with Django and django-unicorn.

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