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Show HN: A11 – typed streams and reusable actions for agentic applications

https://a11.to
1•helenapankov•2m ago•1 comments

Boy developed "toasted skin" condition from using a laptop every day

https://arstechnica.com/health/2026/09/boy-developed-toasted-skin-condition-from-using-a-laptop-e...
1•pseudolus•3m ago•0 comments

GIMP 3.2.6 Released with Some Early Preparations Toward Eventual GTK4 Port

https://www.phoronix.com/news/GIMP-3.2.6-Released
1•Bender•3m ago•0 comments

Data races and the limits of ThreadSanitizer in C and Go

https://theconsensus.dev/p/2026/09/06/data-races-and-the-limits-of-threadsanitizer-in-c-and-go.ht...
1•eatonphil•4m ago•0 comments

Microsoft Plugs Nearly 1k Security Holes

https://krebsonsecurity.com/2026/09/microsoft-plugs-nearly-1000-security-holes/
1•Bender•4m ago•0 comments

I got GPTBot to crawl my site in 100 seconds

https://www.blackbook.dk/en/journal/ai-optimization/
1•jeppesc•6m ago•0 comments

Dopamine Sites Sell Nothing, and People Cannot Get Enough

https://www.nytimes.com/2026/09/11/world/asia/dopamine-sites-popularity.html
2•thelastgallon•6m ago•0 comments

Europe will go it alone on Venus mission after NASA yanks radar instrument

https://arstechnica.com/space/2026/09/europe-will-go-it-alone-on-venus-mission-after-nasa-yanks-r...
1•pseudolus•7m ago•0 comments

What Happened at the White House Lunch That Andreessen Says Sent Him to Trump

https://www.politico.com/news/magazine/2026/09/10/marc-andreessen-trump-biden-ai-opinion-01045516
1•wolfcola•7m ago•0 comments

Intel Xeon 600 Workstation Performance vs. AMD Threadripper 9000

https://www.phoronix.com/review/intel-xeon-600-amd-threadripper-9000
1•rbanffy•8m ago•0 comments

The Death that Would not Die

https://komando1.substack.com/p/the-death-that-would-not-die
1•inglor_cz•8m ago•1 comments

Ask HN: How do HN domain filters work?

1•behindai•8m ago•2 comments

ChatGPT invented fake police testimony in murder appeal, New Mexico high court

https://ca.finance.yahoo.com/news/chatgpt-invented-fake-police-testimony-120935613.html
1•pseudolus•9m ago•0 comments

People We Meet Along the Way

https://rinaldoj.substack.com/p/the-people-we-meet-along-the-way
1•jrinaldo68•10m ago•0 comments

Show HN: Underfiction – you direct a scene, a frontier model writes the prose

https://underfiction.com
2•snoshkar•10m ago•0 comments

Parmesan: The cheese used as bank collateral

https://english.elpais.com/lifestyle/2026-06-02/parmesan-the-cheese-used-as-bank-collateral.html
2•geox•15m ago•0 comments

Show HN: A Find My-style location game for Mumbai's potholes

https://findmypothole.com/
1•inishchith•15m ago•0 comments

Endomorphisms of affine spaces and the Jacobian problem

https://arxiv.org/abs/2609.05746
1•pred_•16m ago•1 comments

Qualcomm Talks Next-Gen Oryon CPU, Adreno GPU, and Hexagon NPU – ServeTheHome

https://www.servethehome.com/qualcomm-details-next-gen-oryon-cpu-adreno-gpu-and-hexagon-npu/
1•rbanffy•17m ago•0 comments

OpenAI Agents API, here we go, the assistant API again?

https://openai.com/index/introducing-the-agents-api
1•ltononro•18m ago•0 comments

1.1.1.1 now supports post-quantum DNSSEC, all 2,420 bytes of it

https://blog.cloudflare.com/post-quantum-dnssec-1111/
3•el_duderino•18m ago•0 comments

One in 12 New England bridges is in poor condition

https://earthsupportcorp.com/data/bridges
1•firedup•19m ago•0 comments

How to Use Cursor Projects

https://flaviocopes.com/cursor-projects/
1•ibobev•19m ago•0 comments

A deep dive into LangChain and LangGraph

https://flaviocopes.com/langchain-langgraph/
2•ibobev•19m ago•0 comments

Show HN: Free Online Bates Numbering Tool for PDFs – 100% Private and Local

https://speechtext.ai/online-bates-numbering
3•robgehring•19m ago•1 comments

Show HN: Simseeder – an MMO Roguelike where players build the game

https://simseeder.com
2•Mytrill•19m ago•0 comments

Losing control of AI is the plan – by Kelsey Piper

https://www.theargumentmag.com/p/losing-control-of-ai-is-actually
1•streptomycin•21m ago•0 comments

Nuclear War: A Scenario

https://en.wikipedia.org/wiki/Nuclear_War:_A_Scenario
1•simonebrunozzi•21m ago•0 comments

A visualization of how a codebase was produced, not who produced it

https://codecurrents.artificialfallibility.com/
1•camilochs•21m ago•0 comments

Show HN: Basketcase.shop – paste a merchant URL, an agent tries to buy something

https://basketcase.shop
2•ninjaa123•25m ago•0 comments
Open in hackernews

Show HN: Dexter – an opinionated day planner for Mac

https://dexterplanner.com/
17•cvburgess•1y ago
Hey HN, Dexter is a day planner I built for Mac (and web).

This was a grief project. Some people make art when they're soul searching, and making apps has always been a bit of an artistic outlet for me. Earlier this year my mother committed suicide and two weeks later the company I worked for laid off my entire division. After taking some time to grieve and process I started building something just for me, just for fun, just because I wanted to.

Dexter has been a slow project that started as paper sketches at my kitchen table and slowly morphed into a codebase. It allowed me to play with tools I wanted to get better at like Postgres and Typescript while also letting me try (and in some cases fail) experimenting with new-to-me tools like Tailwind, Supabase, Tauri, Electron, and Vite.

Small portions of the app and site were "vibe coded", but 99% is hand-crafted code (not necessarily good code), graphics, and data models. This was meant to be a fun project where I learned things just because I wanted to learn something, not a race to see how fast I could grind out a product.

For an example of "unnecessary but fun", I made each SVG on the marketing site twice with Figma - once in a light theme and again in a dark theme - so if you toggle your OS's dark mode, everything should change, even the images.

A few things about the app:

- Yeah, I know, it's an Electron app. I tried using Tauri and other tools but hit a few snags. The Electron ecosystem was incredibly mature and easy to use in comparison

- The app is open source [0] and so is the marketing site [1]

- Some friends and I have been using it daily for a few months and really enjoy it compared to our old multi-tool workflows

- Dexter is the name of my 12(?) year old husky, hence the dog branding

- There is a pricing widget on the marketing site but the app is currently totally free. I might integrate Stripe soon if (and only if) that feels like a fun project, but the goal isn't to get rich or even turn a profit, it's to have fun and build something genuinely useful that I use every day

There are a bunch of features I would love to add and enhancements I would like to make, and eventually I will. Currently, I pick up a feature just because it sounds fun that day and I put it down when it is no longer fun. It might not be a good business model, but it has been a wonderful antidote to an industry rife with burnout and a personal life that's been a little out of control.

I hope you enjoy it and maybe build something for yourself, just because it sounds fun.

If anyone gives it a try I will be in the comments today and happy to answer any questions!

[0] https://github.com/cvburgess/dexter-app

[1] https://github.com/cvburgess/dexter-www

Comments

saltcod•1y ago
Sorry to hear about the inspiration for this. It's very nicely done. Great work.
cvburgess•1y ago
Thank you so much <3
DevDad_io•1y ago
Very clean UI, well done!
cvburgess•1y ago
Thank you!

I got to dust off some old UX skills that haven't been used in a few years.

Huge shoutout to DaisyUI [0] and tailwind for making it really easy to build pretty things.

[0] https://daisyui.com/

DevDad_io•1y ago
Ha! Daisy and Tailwind are so wonderful, I used the same for my app. I especially like the multidirectional scrolling on your app.
cvburgess•1y ago
Scrolling has been the bane of my existence lol.

Im pretty happy with it currently, but want to fix a small annoyance where columns can "hijack" horizontal scrolling.

I learned SO MUCH about CSS tools of old and new doing this project. The popover API and anchor positioning in particular was a bit of a beast, as were overflows and scroll areas.

Most of my background has been in native or react-native mobile development where these kinds of issues don't really exist in the same way.

Going back to basics with html + css was humbling and taught me a lot, too.

osener•1y ago
I came across this randomly when I searched "Figma" on HN, and I'm very glad I did. Tastefully done app -- wishing you all luck in the world.