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Ask HN: What Are You Working On? (July 2026)

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Re: Ask HN: What Are You Working On? (July 2026)

#581

Two side projects I’m actively working on: https://openaltfinder.com - To help people discover selfhost-able open source projects. Been maintaining this for almost a year, and it’s been fun. Keeps me up to date with new OSS. https://getpinnd.com - A small social network for map makers to created shared lists of places. Was just a spur of the moment, and ended up building it in little than a week.

Sad to see Kavita (or any OS self-hosted reading server) not on openaltfinder :(

Re: Ask HN: What Are You Working On? (July 2026)

#582

Continuing to build my olive oil tracking site ( https://www.extravirginvault.com/ ) and pipeline. Freshness is king in the world of olive oil, and I hope to highlight to people they can find high quality, fresh olive oil produced near them. It's been received well from producers and olive oil enthusiasts (e.g. looking for specific chemistry, cultivars and similar oils) but I feel like I've been shadow banned from Go…

Site was excruciatingly slow to load, locked up my browser and I just had to bounce. iPhone chrome. Likely google penalty.

Re: Ask HN: What Are You Working On? (July 2026)

#583

I'm building an RF monitoring system. It can tell you things like: - The car that parked nearby last night coincided with "Chad's Galaxy Buds" with MAC address aa:bb:cc:dd:ee:ff. The buds also drove by briefly the previous night. - Alert on sudden cross-specturm interference (e.g. burglars using a cheap jammer to knock out WiFi cameras). - Alert on known device contact loss (powered off / left premises). - Review dev…

Here's an idea for you -- property evaluation. It's not hyper-specific to your monitoring system, but it would be very interesting to understand before buying a house:

1. How loud the neighbhorhood is over time periods, eg sat night vs tues morning 2. air quality, enviromental factors, etc. 3. What percentage of vehicles/people/devices are net-new (over a time period) versus recoccuring, as identified by MAC.

I would personally pay in the low hundreds to understand overall loudness levels for a house I am about to buy, although I am fairly sensitive to sound. My wife would probably pay for the new-new people metrics.

IMO, you could charge a per-device report and deploy a unit for a week, much like a home inspector report. It would give you a revenue stream on the buy or sell side, and let you own your devices as you iterate on the sensor package.

Anyways, just my 2c, gl with your PoC.

Re: Ask HN: What Are You Working On? (July 2026)

#586
I've been working on a Spanish language learning tool that helps users learn with comprehensible input. It uses LLMs to generate targeted stories for the users and while the user is extensively reading they select any words they don't understand. Those words then get added to a space repetition deck and are used in future stories when it's time to review the words again.

The project has been really fun to work on because of the fun systems I've had to think about. I had to figure out the optimal way to store the user's knowledge of the words. For example you don't need to store the singular and plural of a word in Spanish or even every verb tense, you should probably store the lemma and track those modifiers instead. It's also been a fun challenge to tell the LLM the user's Spanish knowledge without specifically sending every lemma/word the user knows.

I have seen some similar projects out there but a lot of don't seem to focus on creating the perfect story for the user and instead have them choose a CEFR level (A1,B2 etc). Which I think defeats the whole point of using the LLM. With computers we have been able to track a user's knowledge granulary but now we can do the exact same thing but for creating.

I'm really excited to see how far I can take this project. I wanna continue to polish it, but also there is so many details I can continue to add the make the ideal language learning reading app. I just launched the beta last Tuesday, so if you are learning Spanish, I would love if you tried it out and gave feedback.

https://readplusone.com

Re: Ask HN: What Are You Working On? (July 2026)

#587
A self-hosted, better browser interface to preview s3 files. This overcomes the limitation of the s3 console not allowing querying or viewing files beyond a certain size. It also gives you information about the column types. It could be a good use case to present this to non-IT teams in orgs who just want a preview of the data in the files or want to do some simple explorations. Frequently, they are denied access because of the possibility of doing something with confidential data via the s3 console.

https://github.com/cgopalan/s3fileviewer

Re: Ask HN: What Are You Working On? (July 2026)

#588
I'm attempting to build a coffee bean distributor that can exactly measure out beans into a cup for my morning espresso.

It's really an excuse to get started with things like hardware, 3D printing, and embedded development - I've never done anything in that world before, and its been really exciting to get into! I've just started, so hopefully I'll have a better update next month.

Re: Ask HN: What Are You Working On? (July 2026)

#590
A cloudflare hosted task and wiki deployment - https://tajd.github.io/projektor/ - free to host because it's on your infra on cloudflare. Built it because I could, and it was simpler and cheaper than using atlassian etc.

A tool for enforcing code architecture and conventions - https://tajd.github.io/cofferdam/ - these sorts of tools come along every week, but this one is mine and it's v quick to run and extendable.

And then I'm currently working on a game for winning the start of sailing races as that's quite a tactical and fun problem to break down. Will be releasing something there soon!

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