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

363 pointsby david927yesterday at 4:55 PM1183 commentsview on HN

What are you working on? Any new ideas that you're thinking about?


Comments

cyan-indigotoday at 7:11 PM

Working on Tenderlane: https://tenderlane.app/

Freight forwarders spend days or sometimes even weeks understanding and answering tenders without even knowing if they'll win the bid!

With Tenderlane, they can now upload the entire tender spec and get an overview of what the customer wants in minutes instead.

One key learning for this project is that I'm using Excel as the "frontend" as this is what our users are most familiar with, so lots of processes involved filling, uploading and downloading an Excel file.

Building this with Elixir/Phoenix LiveView.

krlxyesterday at 9:32 PM

https://mytinycafe.com/

An PWA primarily for my wife and my daughter. They can order their hot chocolate and their coffee as if they were going to grab something at a fancy café downtown, but instead it's at home and I'm the barista. It is quite nice to have for when my wife comes back from work and want something specific, or when we are waiting for the visit of a few friend, they can order exactly the available beverages and everything is ready when they're here.

It was also a good playground for me to implement Web Push notifications (to never miss new orders).

It's a basic Nuxt 3 app with Appwrite as the backend with rough edges, but much enough for our household use !

If you want to spam my phone with notifications, please visit my café : https://mytinycafe.com/alix

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ViktorEEyesterday at 8:22 PM

I'm working on porting KiCad to the browser. It's a lot of sweat and tears, multithreading issues and some more sweat. I've updated a port of WxWidgets and now I support all the features KiCad needs with ~200 tests.

Right now I have a build that loads in the browser, but I really want to have "multithreading" which means workers in the web. One can use asyncify with emscripten to translate blocking C++ to WASM, but that transition is not perfect, right now I'm debugging a bug where there's a race condition that halts all execution and the main thread runs in an infinite loop waiting for the workers to stand up. I guess I'll have a few of those ahead.

The main goal is to 1. just have fun 2. use yjs as a collab backend so multiple people can edit the same PCB. This will probably work with pcbnew, KiCad's layout editor, since it has a plugin system and AFAIK I can do the sync layer there. For the rest ( schematic, component editor etc. ) I'll have to figure out something.. KiCad does not sync automatically if you modify a file, I'll have to do some lifting there.

Anyway, it's a lot of fun, I really want this thing to exist, I'm hoping that I won't run into a "wellll, this is just not going to work" kind of issue in the end.

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davedxtoday at 7:27 AM

I'm working on https://techposts.eu - Hacker News for Europe.

Focused on all the interesting and exciting happenings in tech here, from AI to defence to deeptech, and posting the most interesting job openings too. Did you know Europe had two space launch startups? I didn't until I started this project!

Feedback very welcome :)

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eeue56today at 7:03 PM

https://leanpub.com/egolessengineering/

Egoless Engineering, a book about how to be an enabling staff engineer in the Nordic's largest mediahouse. I saved up vacation and took the whole of December off, mostly to relax. But I'm also working on more chapters for my book.

dwrodritoday at 7:04 PM

I am in the final testing stages for a bespoke recommender system to facilitate construction of EDH Decks.

The vibes are off at the moment, but goal is to do a show HN and a little PR a little closer to the holidays: https://mtg.derekrodriguez.dev/

ChaosOptoday at 11:09 AM

I'm building a web-based local multiplayer party game platform. It's like a lovechild of Jackbox Games and Mario Party: https://gamingcouch.com. We just won silver at the Big Indie Pitch competition as well!

- Currently in free Early Access with 18 competitive mini-games.

- Players use their mobile phones as controllers (you can use game pads as well!)

- Everything is completely web-based, no downloads or installs are necessary to play

- All games support up to 8 players at a time and are action based, with quick ~one minute rounds to keep a good pace. This means there are no language based trivia or asynchronous games!

- In the future we plan to open up the platform for 3rd party developers (and Gamejams!) as well. We take care of the network connectivity, controllers etc.. 3rd party devs can focus on developing cool multiplayer mini-games without spending an eternity with networking code and building the infrastructure.

Interested to hear if this resonates with Hacker News readers!

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blazingbananayesterday at 8:41 PM

https://play.google.com/store/apps/details?id=com.blazingban...

Completely free, no ads, no in-app purchases and no accounts / network required offline voice transcription.

I have also built the macOS/Windows/Linux versions which I'll also make free to download and available on my site soon (https://blazingbanana.com/).

iOS version is built and works (extremely well), just waiting for the Apple Developer signup process to complete.

Big shout out to https://github.com/mybigday/whisper.rn and https://huggingface.co/ggerganov/whisper.cpp/tree/main for making this even possible.

Any suggestions are welcome.

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paulhebertyesterday at 8:50 PM

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 launching and the first month of puzzles if you want to learn more!

https://paulmakeswebsites.com/writing/a-month-of-tiled-words...

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dboonyesterday at 8:35 PM

I'm working on "Cargo but for C".

It started out as something marginally more useful than vendoring your dependencies as submodules + baking in the knowledge of how to build a bunch of common projects.

I realized, though, that there was somehow a huge gap in the insane world of C build tools. There's nothing that:

- Lets you pin really precisely and builds everything from source (i.e. no binary repository)

- Does not depend on either a scripting language or a completely insane DSL (Conan uses Python, CMake is an eldritch horror, ditto Make, lots of other tools of course but none of them quite hit the mark)

- Has a good balance of "builds are data" and "builds are code".

Anyway, it's going great. There are, of course, a ton of problems to solve. Chief among them is the obvious caveat that C is not a monoculture like Rust. There will be zero upstream libraries that use this tool natively. But I don't think it matters. I think I can build something which is as much better to the existing tools as, say, UV was to existing Python tools, even with that disadvantage.

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mrmrcolemantoday at 6:03 PM

Working on NetBox Designs: https://netboxlabs.com/blog/netbox-designs-introducing-decla...

Infrastructure architects think in terms of building blocks in "high-level designs" and those building blocks are often socialised/expressed in Visio/Spreadsheets. Thinking in building blocks is now more necessary than ever because of the sheer size of the infra being designed/deployed.

This approach is problematic after the design phase because there's a lossy translation to where the low-level design lives, often referred to as the Source of Truth, like NetBox.

NetBox Designs allows users to express composable, versioned, and templatizable building blocks that can be rendered to low level designs. No lossy translations, and you can always check in the future "does my LLD still match my HLD and if not, where?"

ohmyaitoday at 3:52 PM

https://meetlace.ai - LACE, a self-organising research companion for long-horizon inquiry.

With LLMs, generating ideas and snippets is cheap; what’s hard is keeping track of fragments with their “why I cared” context over months. Most tools (Notion/Obsidian/etc.) assume you will do the work (folder/tag/linking) structure will maintain it forever. I don’t.

In LACE we: – capture fragments from the web via a browser extension – auto-cluster them into evolving “threads” / projects with summaries & reading lists – maintain a graph of connections across threads (“topology of attention”) – let you turn a cluster of fragments into an essay draft when you’re ready to share.

Stack is a fairly standard web app + LLM pipeline. Used neo4j's llm-graph-builder as a starting point.

The interesting bit is self-organising graph. treating fragments/questions/lines of inquiry as first-class objects and letting the system reorganise around them over time instead of fixed folders.

It’s in a small test phase right now. If you’re a researcher/writer/engineer/founder who constantly loses good ideas in your notes and want to try something opinionated in this space, I’d love feedback.

background write-up: https://open.substack.com/pub/ozthinks/p/from-fragments-to-i...

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tunaofthelandtoday at 1:49 PM

https://plimsoll-line.app

I learned that ships have a "max load" line (or Plimsoll Line) https://en.wikipedia.org/wiki/Load_line_(watercraft) to prevent overloading them with cargos, but my todo list didn't. So I built an app to surface my emotional load and put mental health above raw productivity.

I am experimenting with the concept of giving each item in the iOS Reminders app an impact multiplier between -1.0 and +1.0 to assign them "weights". The net weight of the todo items should indicate my overall mood or emotional burden. If it doesn't maybe I have yet thought about what's making me feel good or bringing me down. The net weight is visually represented by the "water line" that rises the more into the negative the net weight becomes. I'm thinking of adding features to nudge me into addressing the rising water line.

And since I want to lower my own stress and anxiety using this app, there is no signup or subscription. No data collection other than the bare minimum to make the "tip jar" working through the App Store IAP, so no PII collection.

Do you think you'd find this approach to be helpful for managing your own anxiety level?

(Edited to add a bit more clarification)

arbayitoday at 2:25 PM

I want to build a complete radio station managed by an AI agent. It’s still at the idea stage right now: https://github.com/baturyilmaz/agent-radio

The idea is simple, but I think it could be really cool: an autonomous agent that actually manages an entire radio station. It creates its own shows, play copyright-free tracks, shares the daily program schedule on social media and the website, and later I want to add guest appearances too and live 7/24.

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rbbydotdevtoday at 6:17 PM

https://opaledx.com / https://github.com/rbbydotdev/opal

open source browser first server-less markdown document workspace and publisher, contending to be a free obsidian alternative

storage is done in indexeddb or it can utilize opfs to work on a local file directory

comes with git integration

can publish to aws cloudflare vercel and github pages

built with shadcn react and typescript

raphuitoday at 11:25 AM

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 :)

Rendellotoday at 6:07 PM

I'm working on a Unicode visualization tool [note 1]. It's meant to visualize transformations and relationships between characters, as well as connect everything directly to the exact lines in the Unicode Character Database (UCD), which defines these relationships. The UCD is a series of text files, it also has an XML version.

I love online Unicode tools, serious ones and silly ones, and I use them often for fun or for development. What I see online is that few technical people have a good understanding of Unicode, or have big misconceptions about how it works. I'd like to change that, through visualizations and direct links to the data sources (the aforementioned UCD) and links to the Unicode documentation (which is well-written but can be difficult to navigate or even find).

I've worked a lot on it, but I'm totally stuck again. I get too zoomed in and it's hard to see the big picture, plus it's difficult to know how much effort I can realistically put in because I don't know how big the market is. It's a niche tool, but how niche? Would anyone pay for it? But I'm not sure how to do market research, especially for a niche like this. Any advice would be appreciated!

1. The initial idea was based on this post I made in 2024: https://news.ycombinator.com/item?id=42014045

redgetantoday at 6:40 PM

https://fishbaitgame.com/

A 2-4 player casual card game that's similar to Exploding Kittens. It'll be free-to-play on mobile and I've been focusing more on marketing these days (mostly running ads, creating short form content, and reaching out to influencers).

I'm using Unity for the front-end, and Node.js (just because I'm already familiar with it in terms of dev + liveops) for the gameservers.

sharnotoday at 6:15 PM

I'm trying to build a native postman alternative using Rust + Iced. I want it to use .http files as its collections and .env files as its environments. So that data is stored in plain text and easily editable by AI and usable by other apps like VSCode rest client.

https://github.com/sharno/zagel

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robotguytoday at 4:10 PM

I'm working on Mutacortechs, an ALife simulation where "organisms" each have their own emulated 16-bit processor with 64K RAM. Like Core Wars for the 21st century. It's a small project compared to what some others here are working on, but it's an order of magnitude larger than anything this embedded EE has ever written. I have the ISA designed, assembler complete, emulator stage 1 complete (160/204 instructions implemented), and the start of the simulation working. Last night I wrote a program in custom assembly for an "organism" that looked around, found food, moved toward it, and ate it. I'm pretty excited by the milestone!

stankoyesterday at 8:55 PM

I’m working on a video game, purely for fun.

Here is a work in progress build:

https://muffinman-io.itch.io/space-deck-x

It is a combination of a shoot-em-up and deck building. You fly and shoot until you get to the boss, when you get your deck out to fight them.

That genre combination is definitely too ambitious, but I think it is fun to play and I’m enjoying making it.

I have a bunch of ideas how to combine the two parts better. But over the years, I’ve learned to control scope creep and actually ship pet projects.

Right now I’m in a middle of changing how enemy waves are spawned. After that I want to make a short tutorial and add two more bosses as well as more enemies.

If you end up playing it, please share your feedback I’ll be glad to hear it.

The game is made using Kaplay, a game dec library which brings me joy to use. I can best describe it as my friend described Pico-8: “easy things are easy”. But compared to Pico-8, Kaplay doesn’t have virtual console limitations and comes with a big library of components. Try it out, the community is small, but the library itself is really fun and easy to use.

EDIT: For context, this is about two weeks of work, in the evenings when my kid is asleep.

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fmstepheyesterday at 11:17 PM

Working on a TUI tool which demonstrates the behaviour of X86 SIMD instructions. This is all done in Go assembly, and is probably most valuable for Go programmers.

The problem for me was trying to read and understand the implementation of a swiss map implementation. The SIMD instructions were challenging to understand and the documentation felt difficult to read. I thought that if I had an interactive tool where I could set the inputs to a SIMD instruction and then read the outputs, understanding the instructions would be much easier.

This turned out to be true.

Building this tool for all AVX/AVX2 instructions turned out to be a larger task than I had expected. Naively I just went off a Wikipedia page on AXV and assumed it had listed all the instructions (this was a bad assumption).

I am nearly there. Looking forward to completing this project so I can actually use it to do some fun stuff processing text and maybe even get back to that swiss map implementation.

https://github.com/fmstephe/simd_explorer

(This is also my first attempt at a TUI app)

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yeuttergtoday at 3:53 AM

Bedtime Bulb v2 [0], a light bulb that emits less blue light than other lighting, is finally shipping. It took years to get it right, but we figured out how to make a relatively energy efficient bulb that emits infrared and dims smoothly with any dimmer.

My team is also about to ship Atmos [1], a lamp for the bedside that automatically shifts from higher-blue light during the daytime to low blue light at night.

[0] https://restfullighting.com/bbv2

[1] https://restfullighting.com/atmos

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rimmontrieutoday at 4:05 AM

Just launched my gaming portal a few weeks ago, featuring over 200 games I've made over the years:

https://ookigame.com/

All the games were either developed with libGDX or threejs. I have no plan to monetize yet and still work on building traffic and improving SEO. Surprisingly, I got approved for google adsense already, which I submitted just for experimenting.

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aosmithtoday at 6:40 PM

https://thingg.co -- A group of very smart people working on an incubator for our pet projects in a co-op manner.

https://cipher.social -- Distributed / p2p, encrypted social networking so I can send baby pictures to my mom.

just-the-wrktoday at 6:27 PM

A typed execution graph for Go. You write functions with typed inputs and outputs—Docket infers the dependency graph, runs independent steps in parallel, and caches what you tell it to. It integrates with River and a number of data stores.

I spent a year attempting to adopt Temporal at scale, and 6 months trying to wrangle some multistep data enrichment and ML pipelines. This is what I wish I'd had with what I learned

https://github.com/sugarsoup/docket

plingamptoday at 4:34 PM

I’m building PaperDrop it's a research workspace that turns PDFs and new arXiv papers into something you can actually work with (notes, questions, cross paper comparisons). Would love feedback from people who read a lot of papers: https://paperdrop.xyz

It's still early prototype / beta, but wanted to share it anyway!

manuelmorealetoday at 7:24 AM

https://dealgorithmed.com/

Working on a new newsletter to encourage people get off social media by helping them discover all sorts of random interesting sites that exist out on the open web.

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pgttoday at 4:17 PM

I'm working on EACL: http://github.com/theronic/eacl

EACL (Enterprise Access ControL) is a situated ReBAC authorization library based on SpiceDB, built in Clojure and backed by Datomic. EACL queries offer sub-millisecond query times and has replaced SpiceDB at work (CloudAfrica).

'Situated' here means that your permissions live _next_ to your data in Datomic, which avoids a network hop and avoids syncing to an external AuthZ system like SpiceDB, so all queries are fully consistent.

EACL is fast for typical workloads and is benchmarked against 800k permissioned entities. Once you need more scale or consistency semantics, you can sync your relationships from Datomic to SpiceDB 1-for-1 in near real-time because there is no impedance mismatch between EACL & SpiceDB.

Read the rationale for EACL here: https://eacl.dev/#why-was-eacl-built-the-problem-with-extern...

IMO, if you need fine-grained permissions, EACL is currently best-in-class for the Clojure ecosystem. EACL is especially suited to Electric Clojure applications and can be used to populate menus in real-time.

EACL would not have been possible to build solo in my spare time without modern AI models to rapidly implement specifications and test against human-written tests.

Here is a ~7-minute screen recording of EACL used from an Electric Clojure application for real-time ReBAC queries: https://x.com/PetrusTheron/status/1996344248925294773

trackspiketoday at 5:47 PM

I've continued to work on an open-source containerized agent framework called Capsule Agents. Lots of progress this month and I have my first one live in my homelab! I'm training for a marathon and its able to send a discord message every morning with the workout on my schedule and the "why" behind it.

Here's the elevator pitch for the framework:

Its built around 3 key ideas I've dealt with inside the agent ecosystem 1. Agents become far more capable when they have access to a CLI and can create or reuse scripts, instead of relying solely on MCP.

2. Multi-agent setups are often overvalued as “expert personas” but they’re incredibly effective for managing context, A2A is the future.

3. Agents are useful for more than just writing code. They should be easy for non-engineers to create and capable of providing value in many domains beyond software development.

If that sounds interesting take a look! https://github.com/brycewcole/capsule-agents

aalntoday at 6:40 PM

Ready-to-use 'field kits' for the jetson orin nano which include a dual imx219 camera, bootable m.2 nvme ssd, and a 3d printed case with camera mount.

https://implyinfer.com

vpfaiztoday at 8:35 AM

https://www.dataversion.app/

Lineage-aware. Versioned. Trustworthy Data - for Engineers and AI.

Your engineers waste up to 40% of their time monitoring, investigating and fixing data. Even then you don’t trust the accuracy, source, or freshness of metrics on your dashboard. You wish AI can answer your data questions but it cannot show you proof, or where it came from. AI helps software engineers to move fast and break things, because they can always rollback, with git. But you cannot do that for data. Bad data entering the system, spreads across the company before spotting, and takes weeks to clean up.

DV changes this, giving you lineage-aware, versioned data. It records data-lineage when data is captured, transformed, and committed, at commit/snapshot level. So when things break, DV knows what other data is impacted downstream, and it can rollback the whole chain to the previous state, instantly - no data copy/restore needed. It can also backfill the data across the chain automatically.

With DV, both your team and your AI agents can finally see: - where data came from - how it was transformed - how to revert safely with a single click

Your engineers can move fast on data, without breaking trust. Your analysts can build pipelines by simply describing business questions to AI.

DV is Git for data, so you can focus on your business, putting analytics on auto pilot.

-- Please contact me if you are interested in preview program.

Lumocratoday at 6:48 AM

I am working on a self-hostable borrow store management system: https://github.com/leihbase/leihbase.

I am running it in my city for a library of things. We hope to help people abstain from buying things they only need once a year.

It includes a reservation system, and an dashboard to manage those reservations in the shop. Currently I'm expanding it with a proper product management interface.

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junaid_97yesterday at 5:37 PM

I built a free USCIS form-filling tool (no Adobe required)

USCIS forms still use XFA PDFs, which don’t let you edit in most browsers. Even with Adobe, fields break, and getting the signature is hard.

So I converted the PDF form into modern, browser-friendly web forms - and kept every field 1:1 with the original. You fill the form, submit it, and get the official USCIS PDF filled.

https://fillvisa.com/demo/

What Fillvisa does:

- Fill USCIS forms directly in your browser - no Adobe needed

- 100% free

- No login/account required

- Autosave as you type

- Local-only storage (your data never leaves the browser)

- Clean, mobile-friendly UI

- Generates the official USCIS PDF, ready to submit

- Built-in signature pad

I just wanted a fast, modern, free way to complete the actual USCIS form itself without the PDF headaches. This is a beta version

ramezanpouryesterday at 11:08 PM

I started a challenge I call “Dopamine Detox December” in which I stopped doing certain things to stop dopamine stimulants: - No social Media - No news - No video streaming services (such as YT, Netflix, and Amazon Prime) - No electronic and energetic music

The first days were so hard but now I’m getting used to it. I documented it here: https://ramezanpour.net/post/2025/12/11/dopamine-detox-is-ha...

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wonder_ertoday at 5:30 PM

working on bringing some basic, banal bits of infrastructure management to real-world traffic issues.

I'm literally trying to fix broken junctions around me.

It's at the same time laughably easy, and wildly complicated.

I'm calling the alternative, correct junction a 'traffic bean':

https://josh.works/traffic-bean

It's relevant to software, sorta. I've got rather a lot of GIS/mobility-related data available here. It's just a rails app that renders a bunch of my strava activity data all at once: https://josh.works/mobility-data

The fixes are entirely accomplishable with nothing more high-tech than traffic cones. They can be upgraded to more permanent and pretty physical objects, but the key bit of the traffic bean finds traffic cones fully sufficient. No half-million USD traffic signals, no red/green/yellow light cycles. continuous flow. safety. peace.

Some stuff that's obvious in some domains, like "at high-throughput times, don't allow key bits of infrastructure be completely unusable".

Bringing this to american municipalities is like trying to speak a language with someone that doesn't speak your language, but demands that you treat them as if they do.

it's been a big, long-running project. Most tradition in the USA is really a fig leaf for supremacy, and people can smell that I'm coming for their supremacy a mile away, and they immediately begin deploying emotional defenses.

Or so it seems.

r2_pilottoday at 6:46 PM

A research robot for exploring AI/human/etc interactions. Someone put the wrong price on Thor for some reason and it arrives tomorrow.

quadraturetoday at 3:38 PM

I’m building a planner that automatically plans employee shift schedules based on their availabilities and roles.

There’s many different solutions out there but I’m carving out a niche where we deal with complex shift assignment problems.

For example one of our customers has specific union rules that need to be followed when assigning work and we ensure that they are compliant.

Our backend relies on an MIP solver as well as heuristic search to refine plans.

anpeptoday at 2:32 AM

I’m self-teaching modern C++ by developing a native music library manager and player for Windows, macOS and other Unix systems. The main focus is on the 100% custom UI (with Direct2D/CoreGraphics/Cairo backends), aiming for responsiveness, power-user friendliness and compactness. The UI thread is absolutely sacred and I’m trying really hard to separate the core logic from the UI, because I hate how laggy and hang-prone all players I’ve tried are. I’m drawing inspiration from pre-2010 skeuomorphic and dense UIs. Key features include fast incremental imports and powerful UI elements with features like multiple column sorting, multiple element selection and keyboard-first navigation. I understand this problem is already solved, but I’m starting to DJ and curate my personal music library again. So far, nothing has been more satisfying than an old unsupported version of iTunes that doesn’t even support FLAC. I’ve tried foobar2000 but it doesn’t meet many of my requirements. Therefore, I’m building this software both because I have a need and because writing it is very fun (and frustrating at times)!

I’ve written a PoC already (mind the crappy and incomplete UI), mostly to test the wild custom UI idea, and it’s working so far! https://i.redd.it/ocx9m5av6d6g1.jpeg

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chillenbergertoday at 5:41 PM

I am working on a text-editor that allows you to discuss specified file folders with AI agents for knowledge work. It is similar to vs code with chat but for non-technical users and not for code.

I feel like I am constantly fighting LLM interfaces to make available and organized the context needed for discussion. There just seems to be way to much copy pasta into and out of the infinite scroll interface. I also find the output tough to quickly edit and discuss with the chatbot.

It is simple enough but I couldn't find anything like it and it has quickly become one of my favorite tools. I am build over buy to a a fault, so if there is something out there like this already I would not be surprised.

https://github.com/chillenberger/text-editor-dt

ManuelKiesslingtoday at 10:47 AM

https://github.com/manuelkiessling/Camera2URL

https://apps.apple.com/de/app/camera2url/id6756015636

Camera2URL is, as far as I know, the only iOS and macOS application that let‘s you send the picture taken with the camera directly to any HTTP endpoint the moment you press the trigger.

For example, this makes it possible to trigger an n8n workflow the instant you take a photo:

https://www.youtube.com/watch?v=Y5nCw8NY8zk

controversy187today at 3:42 PM

I'm writing https://github.com/controversy187/kerbalbook, which aims to be a hobbyist's guide to orbital mechanics, spaceflight, and maybe astrophysics. All this through the lens of a Kerbal Space Program walkthrough.

ml-yesterday at 6:45 PM

Want to put local history on a map, so when I go somewhere I could ideally just open this webapp and immediately get presented with cool or interesting history that happened close by.

Currently spending time establishing relationships with historical societies, as I really need them to contribute points of interest, and stories. Many of these societies are run on a voluntary basis by 70+ year olds, so it's a long process. Getting some good responses eventually though, so it might actually go somewhere, just a lot slower than I want.

Also still doing https://wheretodrink.beer, but haven't added anything of note since playing on this other project.

And react2shell was a blast

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subsettoday at 8:05 AM

I'm writing a toy eigenvalue solver in Rust using the QR algorithm. I didn't intend to, but I recently discovered the Gershgorin Circle Theorem and thought it'd be neat to create an interactive visualisation for my [blog](https://abstractnonsense.xyz).

I don't like JavaScript, and I've been meaning to learn Rust for a while, so I'm compiling the Rust algorithm to WebAssembly to run in the browser natively! It's been a fun trip back into the arcane world of numerical algorithms and linear algebra!

robertakarobintoday at 5:52 PM

Taking a break from software to remodel a house by myself. The plan was just to redo the kitchen and a bathroom and be done by August, so naturally it's now December here in Minnesota and the house is missing most of its wiring, pipes, insulation, and walls. :) I'm having a great time though and just started producing videos about it: https://youtube.com/shorts/6QDOXxh99PY?si=NOjvNVEVHwQt180A

pinkmuffinereyesterday at 9:20 PM

Making a first aid kit for stingray stings! If there are lifeguards nearby they’ll usually treat you, but we think it would be nice to have a “go bag” in the back of your car for scenarios where there aren’t lifeguards (remote beaches, or after sunset, etc). The standard of care is to clean the wound and submerge it in water around 110-120F for 1-2 hours. We’ve been researching the best, safest method to get that heat, and working on putting a package together. Here’s our first attempt:

https://mydragonskin.com/products/stingray-treatment-kit

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deepakrbtoday at 6:57 AM

I've been slowly building a website full of daily puzzle games (https://regularly.co/). I built the first game for my wife (https://regularly.co/countable) which she plays every day. Floored is my personal favourite, I find it deceptively challenging

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astrostltoday at 5:57 PM

Most recently (yesterday), vibe coding a better interface for Roblox screen time: https://github.com/astrostl/blockblox . Claude Code crushes, and I'm preferring Go for everything I can to take advantage of typing, quality ecosystem, and distribution. Still need to implement the QE side on this as I have on other things.

thebigshiptoday at 4:01 AM

I'm working on a postcard maker for museum collection artworks in the creative commons. It's in a phase where I'm looking to get feedback from people who might like to use it. Right now it only sends mail in the US. I've integrated the Met, Cleveland Museum of Art and AIC, with an experimental feature for Wikimedia Commons.

You can find the CC0 postcard app here: https://sweetpost.art/ but if you want to go the extra step you can install the Chrome extension and see what comes up: https://chromewebstore.google.com/detail/new-tab-new-art/old...

edit to add Firefox addon: https://addons.mozilla.org/en-US/firefox/addon/new-tab-new-a...

If you want to send a postcard you can use the promo: 1BUCK to send a postcard for a dollar to whoever in US. Any feedback or questions are welcome.

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simonsarristoday at 5:40 PM

https://meetinghouse.cc

A place to find and be found for twitter users only right now. As a silly project I am trying to make not a social network, but an extension of another social network. So far its going OK. It also functions as a link-tree like site with profiles: https://meetinghouse.cc/x/simonsarris

Eventually I might open it up more widely, or make a different globe per social media network.

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