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

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11–20 of 30 posts

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

#11
I truly, with passion, hate JIRA.

So, I'm building mooomooo, which is my idea of what it means to replace tools like JIRA, linear, and such with a unified data model that can adapt to solo devs, small teams and huge orgs so I don't have to manually move tickets to done.

I hope I can do my first release soon :)

https://memo.mx/posts/mooomooo/

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

#17
I'm building epanet-js[0], a local-first web application for simulating water network.

The goal is to replace clunky, expensive enterprise desktop tools (which often charge $10k+ for a wrapped version of the open-source US EPA engine). We want our version to be frictionless: login optional, runs entirely in the browser, and saves files locally to your device.

We are using the Functional Source License (FSL) to keep it sustainable while remaining open.

[0] https://epanetjs.com/

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

#18
https://paperright.xyz

A simple 50/30/20 budgeting app built on manual entry.

I found AI/automated trackers just meant i started to ignore everything. Research also suggests manual tracking trumps automated/ai tracking. You actually need to do the manual work to understand your finances well.

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

#19
I've been working on archiving the historical awards given out by the Michelin Guide this year. The entire project is built to be easily maintainable for years to come and I plan to keep this running for as long as the cost make sense.

Demo: https://michelindb.jerrynsh.com/michelin

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

#20
2 points by raphui 30 days ago | parent | context | prev | next [–] | on: Ask HN: What are you working on?

I’ve been working on a custom RTOS for Cortex-M for the past 10 years: https://github.com/raphui/rnk It started as a way to learn RTOS internals, and over time it has grown into something with lots of nice features. I’m even using it in a dirtbike anti-theft tracker I am building. Also, 2 months ago, I did a weekend challenge to build an embedded software parameter DSL and compiler. Its goal is to let firmware developers define configuration values, thresholds, constants, and other application-level parameters in a structured, human-readable format, and compile them into binary data that the firmware can directly use. https://github.com/raphui/epc

Happy to get any feedback :)

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