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Posted by david927 11/9/2025

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

What are you working on? Any new ideas that you're thinking about?
464 points | 1369 commentspage 31
kukkeliskuu 11/10/2025|
Many projects active.

(1) For one product I am working, I have been working on a custom reporting language for producing high quality PDFs. I used hy.py as a basis to make it LISP-like.

(2) I need to make a Django postgres site that I am running more reliable. Earlier I was experimenting with making static HTML renderings of the pages. That is certainly nice, but it took several hours to reproduce the site. I am currently prototyping making read-only replica of the database in SQLite (the database is only 1 MB) and hosting it on CDN, and then pulling that for the read-only replicas. The database export takes only some seconds.

(3) I vibe coded a iOS app using that same SQLite database that fetches it from the same location. It was surprisingly simple. It seems much simpler than using Flutter or React native.

possiblelion 11/11/2025||
After 10 years in defense tech, watching missile attacks in Ukraine and the Middle East made it clear how little most people really get about air defense. So I'm building this simulator which drops you into the operator’s seat. You can test out different scenarios and build an air defense network against various types of threats (stats from real world). Also have Ukraine, Israel-Iran scenarios. https://airdefense.dev/

I also wrote a longer technical post on the maths behind it: https://medium.com/p/292c755a6ceb.

RichardChu 11/10/2025||
I'm working on https://www.fluxmail.ai, a modern, AI-powered email client.

I think there's a lot of potential for AI to improve the way we organize and manage our inboxes, while still letting us keep control over it.

What I've learned is that there are a lot of little features that make up a good email client that you may not even think about when using one, like threading, quote blocks, even what email address(es) to autofill when you reply to an email. For an app you use potentially for hours a day, the polish and "last 20%" makes a huge difference - and takes a while to build!

If you have any feedback, especially on what features are most important to you in an email app, I'd love to hear it :)

deaddodo 11/10/2025|
Disclaimer: I'm making presumptions, since I haven't used the service. Correct me if I'm wrong.

I don't like the idea of a centralized system to flow all of my email accounts through. I think this would work better as a localized agent that runs against my account (more like an email reviewing system vs a centralized email monitor). That would be less of a privacy concern, in my opinion.

l1am0 11/16/2025||
Build a little screen recording tool which apart from combined stream, also gives you the full resolution input streams (camera/screen recording)

https://simon-frey.com/clips

Works only on chromium based browser as it directly writes into files on disk to not loose data. Sry

bradly 11/9/2025||
https://recipin.com Recipe extraction and archiving to avoid link rot and blog spam. No tracking, no JavaScript, no AI[0], and just a dusting of CSS. Source available to run your own server if you’d like (https://github.com/bradly/recipin).

I’d like to add importing from a Pinterest account and continue adding support for all the creative implementations of the schema.org recipe format that different sites use.

[0] My partner has a bunch of handwritten family recipes, so I’m trying out an optional extract from a photo of a hand written or magazine recipe that uses AI. Not required and I may pull it out into its own service that spits out schema.org recipes. We’ll see.

bitdivision 11/10/2025|
The OCR -> schema.org pipeline would be useful, I've been doing it manually prior to importing to Mealie.
gbriel 11/10/2025||
https://prettygoodmusic.app

Music player that can organize album collections from different services like Spotify, Apple Music and Bandcamp, Discogs, and show detailed and high quality information that can be searched and filtered.

van_lizard 11/11/2025|
I didn't check the app but that website itself is nicely designed, clean, with information at a glance, made me think of ways it might become useful to me: and what came to mind was the Bandcamp ticker they have at the frontpage, with albums moving horizontally, that's one of my favorite ways to discover new music.
jamesdhutton 11/10/2025||
I’m building a reward chart app for parents. See link below. I just submitted it yesterday for review the App Store and Google Play. Now I wait. Fingers crossed.

https://whirl.digital/housepoints.html

nanaem 11/10/2025||
I'm building GhanaHousePlanner https://ghanahouseplanner.com/, a web platform to help people in Ghana/diaspora plan, estimate and manage house construction projects. It is free for individuals and only project management and using the floor planner ai agent needs subscription.

Current features include:

- Live material price list updated monthly (based on prices at local shops)

- Conceptual 2D/3D floor plan generation following Ghana Building Standards (development in several phases using procedural floor plan generation)

- Construction management dashboard to track project stages and conversations between project manager, mason, carpenter, etc.

- Printable material cost breakdown

TODO: A contact listing for local construction services

I would love to have feedback, thanks.

ggap 11/10/2025|
Hey, I find it interesting, I will contact you to have a chat
perrym137 11/10/2025|
https://unheard.fm

I was tired of repeat, sponsored, and "safe" music suggestions from Spotify, so I built a discovery engine that puts the control back in the user's hands.

The core idea is simple: You define a "Discovery Model" with explicit constraints (specific genres, release years, track popularity, etc.). The app then uses this blueprint to source tracks.

The results are fresh for two reasons:

- "Known" Track filtering: Excludes all songs saved in your library and recent listening history.

- Active Curation: Uses your custom model, not a vague, opaque algorithm.

It’s built with a local-first mentality and a focus on privacy. No black-box AI "vibe" mixes, just pure, objective discovery based on your criteria.

Hope ya'll find some new gems!

jcarrano 11/10/2025|
I canceled my Spotify subscription because it would not let me "reset" the algorithm to get fresh suggestions.

A "discovery algorithm" that I used (works great for jazz) consisted on looking up which musicians played on an album that I liked on discogs and searching for more albums from them.

perrym137 11/10/2025||
Annoying right?

I am also a huge Discogs fan and unheard.fm actually leverages their APIs to aid with discovery ;)

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