https://kintoun.ai
Document (DOCX/PPTX/XLSX etc.) translator that preserves your file's layout.
Ask HN: What are you working on? (September 2025)
211–220 of 1001 posts
Re: Ask HN: What are you working on? (September 2025)
#212I am launching (tomorrow) a service that helps builders and businesses fix their vibe coded apps and get them production-ready and integrated into their organization:
Re: Ask HN: What are you working on? (September 2025)
#213Yet another online cycling calculator, this time with an emphasis on power/speed difference between different tires.
I'm sick and tired of audiophile level bs floating around online forums and I want to create a simple tool for people to fiddle around with different settings to see what really impacts their speed while cycling.
As usual - no plans for monetization whatsoever. Nothing fancy either, just an elaborated weekend project.
If you like the idea and want to help with graphic design and or html just let me know. :)
Re: Ask HN: What are you working on? (September 2025)
#214An open-source protein/molecule viewer, molecular dynamics sim, and general structural biology toolkit, written in Rust. And an ecosystem of libraries to back it up.
Re: Ask HN: What are you working on? (September 2025)
#215Codexes Factory: algorithmic tools to create, operate, distribute, and market entire publishing imprints. This week I am launching my first imprint, Xynapse Traces, with 66 books in the Korean pilsa (筆寫) style. Later in October, Nimble Ultra, devoted to the history and practice of intelligence and espionage. Last week I built a giant collection of 575 imprints that are a shadow superset of the ~540 imprints operated by the Big Five publishing houses (Penguin Random House, the largest has ~300). Teeny weeny tip of the iceberg at NimbleBooks.com.
Re: Ask HN: What are you working on? (September 2025)
#216Just recently started browser-based ASCII age of empires 2 demake/clone: https://pbs.twimg.com/media/G1SvaRZXAAAVi6J?format=jpg&name=...
Also, still working on https://drumpatterns.onether.com :)
Re: Ask HN: What are you working on? (September 2025)
#217I'm vibe coding using GitHub Copilot and JetBrains AI Pro on a Blazor web app that tracks my investment in like index funds, stocks, ETFs, etc. It's a simple CRUD web app.
The app is nearly completed, and Grok (preview in Copilot, currently free) wrote most of the CRUD pages with Entity Framework. Of course, it does get things wrong, and I use Claude 4 to fix the issues. (i'm a C# dev, I review code generated by Grok sometimes.)
Re: Ask HN: What are you working on? (September 2025)
#218Full-time indie dev breathing life into next-gen terminals [0]. This is my lifelong career ambition. If you can't afford early access, please email me and I'll grant you a free copy: I need all the feedback I can get! [0] https://terminal.click
As someone who's curious (I see lots of room for improvement in terminals!), I can't tell what this does from the website, other than the ability to load and view 3d models.
Re: Ask HN: What are you working on? (September 2025)
#219markdown and image cms in the browser. run and store documents totally offline and static. requires no server. not a pwa or electron
- rich markdown editor (via mdxeditor.dev) and source (codemirror6)
- uses indexeddb and optionally opfs (select a directory on your local hd)
- some service worker hacks to do seamless image processing (jpg/png -> webp), storage and retrieval
- document snapshot history, thumbnail preview with iframe and snapdom: html->img sorcery
- live previews and compilations
- loads very quickly, navigation and cold starts, images make heavy use of the Cache api
- use in-browser git (thanks isomorphic-git) for version control; optionally sync with github via cors proxy (host your own if you want)
- best of all completely free to use. 99.5% finished MIT github repo dropping soon ;)
Re: Ask HN: What are you working on? (September 2025)
#220I'm working on Macscope (https://macscope.app), a better Cmd+Tab for macOS. I built it because macOS window management feels slow compared to the keyboard-driven speed of a terminal or code editor.
It augments your existing muscle memory: a quick tap of a shortcut switches apps like normal, but holding it opens a powerful interface with features like:
Unified Search: Instantly find any window, app, or browser tab.
Scopes: Save and restore entire window layouts for different projects (perfect for after you unplug a monitor).
Placement Modes: Snap windows to screen halves as you switch to them.
The goal is to make the OS feel as fast as my other tools. I'm always looking for feedback on how to make window management less frustrating!