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Show HN: ReceiptMatrix – Local-only receipt organizer for Mac freelancers

https://receiptmatrix.app/
1•michaelboling•39s ago•0 comments

Tesla, SpaceX Plan to Build New Chip Factory in Texas

https://www.wsj.com/tech/tesla-spacex-plan-to-build-new-chip-factory-in-texas-4dfb9a46
1•andsoitis•1m ago•0 comments

Create Context Graph: AI agents with graph based memory, scaffolded in seconds

https://github.com/neo4j-labs/create-context-graph
1•johnymontana•1m ago•0 comments

Sudo hold me – Three unsupervised LLMs on a Unix Socket

https://linuxtoaster.com/blog/emergent.html
1•dirk94018•2m ago•0 comments

D for learning and real world D: D Language Yale Univ Colloquium 2025 [video]

https://www.youtube.com/watch?v=k5r8d5KCOBE
1•teleforce•2m ago•0 comments

Show HN: ClawX – OpenClaw Instance in 30s

1•Yogender78•2m ago•0 comments

AMD GPU-Initiated I/O (GPU <-> NVMe P2P DMA)

https://thegeeko.me/blog/nvme-amdgpu-p2pdma/
1•thegeeko•2m ago•1 comments

Firefox 149.0 Release Notes

https://www.firefox.com/en-US/firefox/149.0/releasenotes/
1•N19PEDL2•3m ago•0 comments

Usecomputer – Zig CLI to screenshot, click and type in any coding agent

https://github.com/remorses/usecomputer
1•xmorse•4m ago•1 comments

Blender Optimization Leads to 2x Performance on CPU Bottlenecked Scenes

https://www.phoronix.com/news/Blender-EEVEE-2x-Perf
1•rbanffy•5m ago•0 comments

NesusFix – Zero-alloc, compile-time hardened FIX engine for sub-100ns

https://github.com/SilverstreamsAI/NexusFix
1•dalvrosa•7m ago•0 comments

Show HN: OrbStudio Native Mac app for designing animated orbs with code export

https://www.orbstudio.app/
1•okbye•7m ago•0 comments

Aesthetic Programming: A Handbook of Software Studies (2021)

https://www.openhumanitiespress.org/books/titles/aesthetic-programming/
1•the-mitr•7m ago•0 comments

LG Display starts mass-producing LTPO-like 1 Hz LCD displays for laptops

https://arstechnica.com/gadgets/2026/03/lg-display-starts-mass-producing-ltpo-like-1-hz-lcd-displ...
1•rbanffy•9m ago•0 comments

Why move antimatter by road? CERN tests a truck-ready antiproton trap

https://phys.org/news/2026-03-antimatter-road-cern-truck-ready.html
1•Brajeshwar•9m ago•0 comments

Krita 6.0 Released with Qt6 Port and Better Wayland Support

https://www.phoronix.com/news/Krita-6.0-Released
3•doener•10m ago•0 comments

Krita 5.3.0 and 6.0.0 Released

https://krita.org/en/posts/2026/krita-5.3.0-released/
2•jrepinc•10m ago•0 comments

Iran internet offline for 25 days and

https://twitter.com/netblocks/status/2036343014277165512
1•ukblewis•11m ago•1 comments

A mission NASA might kill is still returning science from Jupiter

https://arstechnica.com/space/2026/03/a-mission-nasa-might-kill-is-still-returning-fascinating-sc...
1•rbanffy•11m ago•0 comments

Guile Knots

https://www.cbaines.net/posts/announcing_guile_knots/
1•ibobev•12m ago•0 comments

Mendeleev's Inequality

https://www.johndcook.com/blog/2026/03/24/mendeleevs-inequality/
1•ibobev•13m ago•0 comments

Lines of Code Are Useful

https://entropicthoughts.com/lines-of-code
1•ibobev•13m ago•0 comments

Show HN: MangoWave – Open-source browser audio visualizer

https://mangowave.app/
1•lmascari•14m ago•0 comments

Understaffing as a Form of Enshittification

https://pluralistic.net/2026/03/22/nobodys-home/
2•toomuchtodo•14m ago•0 comments

io_uring, libaio performance across Linux kernels and an unexpected IOMMU trap

https://blog.ydb.tech/how-io-uring-overtook-libaio-performance-across-linux-kernels-and-an-unexpe...
4•tanelpoder•14m ago•1 comments

Ignition: NASA's Plan for the Moon [video]

https://www.youtube.com/watch?v=yIlTwwJv1Ac
1•trothamel•14m ago•1 comments

Keytrace (Keybase on ATProto)

https://keytrace.dev/blog/introducing-keytrace
1•bezbac•15m ago•0 comments

JetBrains Central: An Open System for Agentic Software Development

https://blog.jetbrains.com/blog/2026/03/24/introducing-jetbrains-central-an-open-system-for-agent...
1•vovak•15m ago•0 comments

BotmasterLabs: Powering an Era of Spam

https://castle.io/research/botmasterlabs-powering-an-era-of-spam/
1•avastel•15m ago•0 comments

Why your AI agents will turn against you

https://yoloai.dev/posts/ai-agent-threat-landscape/
2•kstenerud•16m ago•1 comments
Open in hackernews

Show HN: Dexter – an opinionated day planner for Mac

https://dexterplanner.com/
17•cvburgess•10mo 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•10mo ago
Sorry to hear about the inspiration for this. It's very nicely done. Great work.
cvburgess•10mo ago
Thank you so much <3
DevDad_io•10mo ago
Very clean UI, well done!
cvburgess•10mo 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•10mo 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•10mo 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•10mo 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.