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

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611–620 of 1001 posts

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

#611
Steam game.

Exposure to unity has got me thinking hard about its non-gaming applications. The stability of presentation between device targets is incredible. Being able to integrate literally anything you want in native 3d world space feels like a natural next step once you get bored of the DOM.

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

#613
post #566

I’m working on a free and open-source invoice generator: https://easyinvoicepdf.com/?template=stripe - No sign-up, works entirely in-browser - Live PDF preview + instant download - VAT EU support - Shareable invoice links - Multi-language (10+) & multi-currency - Multiple templates (incl. Stripe-style) - Mobile-friendly GitHub: https://github.com/VladSez/easy-invoice-pdf Would love feedback, contributions, or ideas f…

Hey, that's actually really useful! That's so cool!

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

#614
Been working on https://usedigest.com

- It's a personalized newsletter for you

- All data aggregated from sources around the web

- News, weather, newsletters, social media posts, reddit, youtube, etc. all appear in your digest.

- Launching a mobile app as well now but this will be slightly different than the web app. It will use AI to automatically prepare your daily digest based on preferences/settings you give it during onboarding. Each day when you wake up you'll receive a notification of digest being ready, and it will contain all the content you care about for the day ahead (meetings, weather, health data, commute data, news, etc).

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

#615
https://stretchmytimeoff.com

An algorithm to optimise vacation days using public holidays and weekends. Especially relevant at this time of year.

I created it a year ago and received quite some comments on the Show HN post[1]. Last weekend I updated it to work for end of year planning and adding fixed days off, which seems to solve most of the feedback. It was done with Cursor in agent mode.

[1]: https://news.ycombinator.com/item?id=42118039

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

#616
I’m working on an AI-powered page optimizer for SaaS & eCom sites: https://peakagent.ai

No complex setup – drop in a script, keep your existing stack

Auto-generates variants for hero, copy, CTAs, and social proof

Continuously tests and routes traffic to the best-performing variants

Optimized for key pages (pricing, signup, product, checkout)

Reports focused on conversion & revenue lift, not just clicks

Would love feedback, tear-downs, or ideas for must-have features before you’d trust this on your main pages.

PS: Deeper ad→page→revenue attribution + personalization by segment coming soon.

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

#618

Built a local-first Kanban board with Tauri (Rust + Svelte) after getting frustrated with SaaS tools and basic offline options. Stores data in JSON files you control, full keyboard-first UX, parent/child tasks, release management, and it's blazingly fast with localStorage + background sync. No telemetry, purely local. Curious what others prioritize in personal task tools. Seems like there's a gap between "todo.txt" s…

I wanted to build something like that. It would be great if I didn’t have to. Any link to follow?

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

#620
Finally making a simulation of my heat engine. It's kind of like stirling engine, but working on entirely novel cycle, theoretically should be able to achieve over 80-90% efficiency (yes, more than Carnot theorem says). I had this idea for 15 years already, but didn't have enough free time to make prototype. Now I don't have much time, but thanks to AI I have kickstarted simulation program (it told me which equations to use and how, I do most of my programming myself), turns out it's not as hard as I've imagined when you know which equations to use. Still working on it at max several hours a week because I have two other programming jobs. If it works, it will noticeably bump humanity on Kardashev scale.
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