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

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

#92

I'm working on a fully offline, client-side train journey planner for UK rail - https://railraptor.com When booking flights, I use sites like Kiwi and Skyscanner that let you do flexible searches - multiple destinations, custom connections, creative routes, etc. But rail search feels oddly constrained. All the UK train operators offer basically the same experience, and surface the exact same routes. I always suspecte…

This sounds very nice! A slightly adjacent question: have you discovered any providers that can recommend train journeys based on price? Sort of like the explore feature you find on sites like Google Flights, Ryanair and Flixbus. Sometimes when the wanderlust hits I've tried searching around for cheap train tickets, but it isn't simple using sites likes DB/OEBB/SBB/SNCF/etc

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

#94
I'm tired of all the recents npm packages supply chain compromises, so I've written a collection of `sandbox-exec` rules to wrap all the `npm install` and `npm run ` of my projects on my machine. It works but it's messy, so now I'm working on a small rust tool that acts as a wrapper and generator for that so that it's nicer to use and can be shared to other people.

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

#95
I’m making Bezier, a mac-native vector design app as an alternative to Figma and Sketch.

Unlike those apps it has full support for design tokens and (so far) flexbox layouts. It can also export directly to HTML, rather than a fake preview mode. I’m also working on full code-backed components, so you can go between code and design very easily.

As a designer, I’ve been frustrated for years by the gap between design and code, and despite all the new AI features, Figma still hasn’t got any further in years - design tokens need a 3rd party plugin and responsive designs are a pain in the bum. So I decided to build something that has the ease of Figma while being much closer to live code.

I’ve got to the point where I’m designing the app in itself, tokens are working, html export is working and nearly ready for first betas.

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

#96
I'm working on a local desktop app for inventory and production management: https://kitted.site

It includes bill of materials, purchase/production orders, "can I make n?", stock takes, multiple stock locations, and barcode scanning. It's aimed mainly at small business and makers for the time-being, but still allows multiple users to connect over the the local network.

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

#97
I'm working on a digital waveform viewer for VScode. I started it back when I used to work for an FPGA company, and needed to debug soft CPUs. Now it's starting to rival the proprietary software. I should probably do a show HN at some point...

https://github.com/Lramseyer/vaporview

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

#100
Published 3 articles so far, but working on AI architecture and management. While most people are focused on prompt engineering and making stuff with AI; I'm more interested in how it actually works, how to size workloads, how to maximize performance, the security and safety aspects. Here is my most recent article where I played with benchmarking tools to get a baseline and understand how configurations impact token generation

https://ewams.net/?date=2026/03/29&view=Qwen35_Performance_w...

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