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Ask HN: What are you working on? (September 2025)

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Re: Ask HN: What are you working on? (September 2025)

#202

Post by RichardChu »

I'm working on 2 projects right now:

1. Fluxmail - https://fluxmail.ai

Fluxmail is an AI-powered email app that helps you get done with email faster. I think there's a significant opportunity for AI to change the way we use email, and I'm experimenting with ways to improve the status quo. I'd love to hear what features you'd like to see in such an app!

2. ExploreJobs.ai - https://explorejobs.ai

This is a job board for AI jobs and companies. The job market in AI is pretty hot right now, and there are a lot of cool AI companies out there. I'm hoping to connect job seekers with fast-growing AI companies.

Re: Ask HN: What are you working on? (September 2025)

#203

Post by runarberg »

A kanji learning app using free dictionary data and the FSRS spaced repetition system for maximum context per card and optimal memory retention.

https://shodoku.app/

https://github.com/runarberg/shodoku

My theory of learning is that you learn the characters better if you learn how to read and write them at the same time. And flash cards are better by giving you as much information as possible about the character.

This is fundamentally different from e.g. WaniKani which only teaches you how to read the character and relies on pre-made mnemonics (plus SRS) for easier retention, and from Anki which (normally) has very minimal flash cards, showing only small bits of information per card. When you have the whole dictionary on each card it gives you the opportunity to create the easiest connection with what you already know. This may be some made up story about the components (radicals) in the kanji (like WaniKani does) a word you already know, other kanji sharing the components, etc. The more connections you make the easier it is to learn them.

One of the features I personally use extensively is the ability to bookmark words containing the kanji, which will then pop up at the top of the words section in a later review. If I remember the meaning and the reading of the words I have bookmarked for this character during a reading review, I consider mark card as good. If I remember none of them I mark it “again”.

Re: Ask HN: What are you working on? (September 2025)

#205

Post by geoctl »

I am working on Octelium https://github.com/octelium/octelium a FOSS unified zero trust secure access platform that is flexible enough to operate as a modern zero-config remote access VPN, a Zero Trust Network Access (ZTNA)/BeyondCorp platform, an API/AI/LLM gateway, an infrastructure for MCP gateways and agentic AI architectures/meshes, a PaaS-like platform, ngrok alternative, and even as a homelab infrastructure. It is basically a unified, generic, Kubernetes-like, zero trust architecture (ZTA) for secure access and deployment, that can operate in many human-to-workload, workload-to-workload, and hybrid environments.

I actually did a SHOW HN exactly 3 months ago and received lots of invaluable critique regarding how dense, overwhelming and unreadable the docs and repo README were. I've actually spent a lot of time trying to improve the quality of the docs and README since then. I'd love to receive any feedback, negative included, regarding the current overall quality of the docs and README from whoever is interest in that space.

Re: Ask HN: What are you working on? (September 2025)

#206

Post by sudosu94u34934 »

I’ve created an AI-powered app designed to help candidates prepare for Meta’s product manager interviews, with a focus on product execution questions. The app allows you to practice by speaking or typing your responses, then uses AI to score answers against a rubric and track your progress over time.

I’m looking for beta testers—happy to share early access if you’re interested! If you are please message me.

Re: Ask HN: What are you working on? (September 2025)

#207

Post by vldszn »

I built a free & open-source invoice generator: https://easyinvoicepdf.com/?template=stripe

- No sign-up, works entirely in-browser

- Live PDF preview + instant download

- VAT support (EU-friendly)

- 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 for other templates/features!

Re: Ask HN: What are you working on? (September 2025)

#208

Post by efromvt »

Been exploring the amazing GCAT space dataset - it’s been a good way to drive some dashboard feature experimentation using fun data. Still need to work on my dashboard design skills, though.

GCAT: https://planet4589.org/space/gcat/

Dashboard example: https://trilogydata.dev/trilogy-studio-core/#screen=dashboar...

Re: Ask HN: What are you working on? (September 2025)

#209

Post by mcdow »

I'm working on a notes app that is as simple as Apple notes, but has native markdown support and uses semantic search.

Uses SwiftUI for the UI, and Zig does most of the heavy lifting on the backend. It's inspired by ghostty which uses a similar setup[1].

Right now it only works for Mac, but I'll be porting to iOS as soon as I get the markdown renderer polished. It's not available to the public yet, but I'm using it as my daily driver and hope to release it later this year. I've open sourced it so you can see the source code here[2].

1. https://ghostty.org/

2. https://github.com/emmettmcdow/nana

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