Ask HN: What Are You Working On? (December 2025) • Hacker News Board

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

#161

Post by StrangeSound » Sun, Dec 14, 2025, 9:22 PM UTC

paulhebert wrote: post #118

I shared this last month, but I’m still having a lot of fun working on it. I made a daily word puzzle called Tiled Words. https://tiledwords.com Currently about 2,000 people play every day and I’ve released 59 puzzles! One feature I’m excited about is crowdsourcing puzzles. Today’s puzzle is a “community puzzle” made entirely from clues that players submitted! I plan to do this every week or two. I wrote about launch…

Just to let you know, my friend and I play this every day since I saw it here a little while back. Thank you!

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

#162

Post by FattiMei » Sun, Dec 14, 2025, 9:23 PM UTC

I'm trying to solve the brachistochrone problem by numerical optimization. I started with the minimal surface problem to get a foot in the door: I discretize the integral as a sum of constributions that depend on the function values at specific points, then use autograd libraries for optimizing a non-linear scalar loss function

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

#163

Post by oscarcp » Sun, Dec 14, 2025, 9:24 PM UTC

I'm working on a simple IoT visualizer. I built my own domotic system at home (which i hope to turn into a product at some point) and I had the need to visualize the sensor data per room and per floor.

While I was working on the tablet interface (in Godot Engine) I put Claude to work on what after two minutes became a full product on its own with a new file format as well. Tell me what you think! (so far the response is meh...)

https://habitatview.app

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

#164

Post by TechSquidTV » Sun, Dec 14, 2025, 9:24 PM UTC

An RSS aggregator app. Open source, self-hostable, and I'm running a free hosted instance at the moment. This is the first time I have ever gotten to the stage of having live users in a prod environment for my own apps. Pretty cool stuff.

https://github.com/TechSquidTV/Tuvix-RSS

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

#165

Post by fraserphysics » Sun, Dec 14, 2025, 9:26 PM UTC

I'm polishing up the second edition of "Hidden Markov Models and Dynamical Systems." The book explains several state space models and connects them to ideas about chaos. Here's a link to a pdf draft: https://www.fraserphysics.com/book.pdf and here's a link to source for the book: https://gitlab.com/fraserphysics/hmmds Once you install the source software, you can build a pdf for the book by typing "make book". I think that makes it reproducible research.

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

#166

Post by Ben_Tycho » Sun, Dec 14, 2025, 9:28 PM UTC

II’m currently working on Focusflows.eu, a tool I’m building to help people improve their focus while working or studying. At the same time, I’m exploring new ideas around productivity and digital well-being, and experimenting with features that make it easier to stay focused without feeling overwhelmed.

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

#167

Post by kwakubiney » Sun, Dec 14, 2025, 9:28 PM UTC

I'm building a utility to help DJs find "play-out" versions of tracks they already like[1]. You can play with it here[2]. Streaming services are optimized for Radio Edits. But to actually mix a track, I usually need the Extended Mix, Club Edit, or a specific Remix. Manually searching for the "DJ version" of every single track in a 50-song playlist is tedious administrative work that kills the joy of digging.

Remixify automates the search while leaving the selection to you. You paste a Spotify playlist URL, and it helps you or provides you a good starting point for digging. It groups the results by the original track so you can quickly preview and save the versions you want to a new playlist.

We don't try to recommend new music or use AI to guess your taste. It just finds the usable versions of the music you already selected.

[1]https://github.com/kwakubiney/remixify

[2]https://remixify.xyz/

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

#168

Post by triwats » Sun, Dec 14, 2025, 9:28 PM UTC

Added a fifth project this month. Most likely very unwise...

1. probe.bike - tell stories with your bike rides. It allows you to aggregate your cycling trip into one datapoint. Will likely break this out to skiing over the break and rebrand slightly. Adding yearly cards as we speak!

2. flopper.io - I'm seeing traffic rise and rise for this and it's been a great way to translate my every-increasing understanding of AI Infrastructure architecture to a new project. It acts as a benchmark website for GPUs and systems (e.g. Nvidia NVL72.

3. llmstxt.studio - still feel like llms.txt as an idea make sense - so hedged that and but let's see. Got my first customer this month. B2B and need more features/marketing.

4. rides.bike - the oldest - a catalogue or well researched cycling destinations and information about destinations. Will be adding more very soon!

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

#169

Post by hathers » Sun, Dec 14, 2025, 9:28 PM UTC

Just starting to share things on the internet again after a long time of (mostly) not doing so. Started with https://github.com/andrewhathaway/manifest-pattern

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

#170

Post by dmitrykan » Sun, Dec 14, 2025, 9:29 PM UTC

On a Research Assistant: https://muves.io/

It helps to comprehend research papers (and not only papers - any document on any language) faster.

The tool is free to use, because we have credits from GCP. I guess at some point we'll need to introduce some level of subscription fee to keep it alive and useful, as it uses LLMs and vector search quite a bit.

Feedback is welcome!