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Ask HN: What are you working on? (September 2026)

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Re: Ask HN: What are you working on? (September 2026)

#822

Post by drgo »

chumzygood wrote: post #250

I run a small experiment on this: 29 paper-trading accounts on real US stock prices, $100k each, since July 27. Four AI models (ChatGPT, Claude, Grok, Gemini) each write a trading rulebook and rewrite it every day from their own results. One account is a fixed rulebook that no AI ever touches, as a control. Result so far (paper, 34 trading days): the no-AI control is +13.0%, the S&P 500 is +3.4%, and 25 of the 28 AI…

Famously Norwegian cows “picking” stocks by shitting in marked grid did as well as professional stock brokers and much better than astrologers!

Re: Ask HN: What are you working on? (September 2026)

#823

Post by jkantola »

Mainly Vaava (https://vaava.app) privacy-first baby tracker for feeds, sleep, diapers, and growth. Flutter, iOS and Android. Recently finished up e2ee data syncing for the paid tier of the app. Most recent relaese also contains some optional AI features. Got some real user feature requests which feels awesome.

Also working on https://fikalingo.com, basically replacing my current language learning app usage with that own made app. It has on-device based LLLm practice generation based on user given topic. For example word guessing practices can be created from a topic "words i might need as a auto mechanic". Only got to release the ios and web apps so far.

Re: Ask HN: What are you working on? (September 2026)

#824

Post by Jemaclus »

I'm working on a real-life social app called Holler (https://justhollerapp.com).

I'm an introvert and socially anxious, but I do enjoy hanging out with my friends. I just HATE the invitation-and-coordination game. If someone invites me and I don't want to go, I hate having to come up with a socially acceptable excuse. Inviting someone and waiting for them to make a socially acceptable excuse is equally awful to me.

Then you get to coordination. I want to go to the brewery at 2pm, but your kid has soccer practice so you can't get there til 3:30, but then Joe has to leave at 4 to pick up his mother in law at the airport, and... ugh. It's the worst.

So I made Holler, which is basically you hollering to your friends, "I'm going to be at the farmer's market at 2pm," and then you just go. If they show up, fantastic. If not, whatever, you were going to go anyway.

No coordination, no invitations, no friction. Just holler and go.

It's iOS only for now, but I'm working on an Android app as you read this, so hopefully that's coming soon.

Re: Ask HN: What are you working on? (September 2026)

#827

Post by greybox555 »

iamjackg wrote: post #243
greybox555 wrote: post #206

Recently worked on https://sleepsignal.app It's an app to get sleepy without meds. Simply close your eyes and imagine the micro-scenarios you hear. Like if you hear "moonlight on a white flower", imagine that scenario until you hear the next one. Session duration is also not too long (10 minutes default, you may change the session duration too). It's like a digital melatonin pill - but without chemical side effects.…

It's a very interesting idea. Sometimes I do let my brain go wild imagining crazy things when I'm trying to fall asleep. A couple suggestions: - the TTS voice sounds way too excited for something meant to be relaxing - the sudden speaking after 10 seconds of silence is very jarring -- I wonder if something like a reverse-reverb effect would be enough to "warn" the brain that a new sentence is incoming. There's an exa…

Also the volume gradually gets quieter towards the end of session (If you don't turn this option off at settings)

Re: Ask HN: What are you working on? (September 2026)

#828

Post by everyday7732 »

woutr_be wrote: post #387

I'm still working on https://openaltfinder.com ; a place to help you discover open source alternatives. Got quite a lot of traction this month due to Google/Apple Maps renaming Lake Ontario. But overall it's a struggle, the site is still in Google jail/sandbox, so it's not even seeing any Google impressions. So most traffic is due to being very active and posting wherever I can.

I think it will be difficult to compete with alternativeto.net which has a longstanding community, and options like filtering based on operating system. What are you doing which differentiates you?

Re: Ask HN: What are you working on? (September 2026)

#829

Post by matcha-video »

https://matcha.video - In-browser "pre-editor" for cutting down a long sequence of repeated takes for talking-head content to just the stuff you want to keep. - Aligns cuts to the speaker's pose so they aren't cut-to mid-blink or mid-word

- Exports cuts to FCP and DaVinci so you can use your existing editing flow

- Transcript editor with retake grouping and word-level cuts

- Dysfluency detection ("um", "uh")

- Free, in-browser. Optional pay for faster / better server ASR

Currently in beta, free server ASR for new users. Please try it and give your honest feedback

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