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Open-Sourcing Our Mail Client Mono Mail

https://github.com/erickim20/monomail-desktop
1•rhksnrla•4m ago•1 comments

Arena Zero Ep.1 [video]

https://www.youtube.com/watch?v=qqcH-1Rk-ow
1•thewanderer1983•5m ago•0 comments

M4 and M5 Macs cannot run 4k screens in HiDPI mode – limited to 3.3k

https://github.com/waydabber/BetterDisplay/discussions/4215
1•smcleod•6m ago•1 comments

Build123d: A Python CAD programming library

https://github.com/gumyr/build123d
2•Ivoah•7m ago•0 comments

Age verification, child protection and economic power

https://www.cyberverso.net/age-verification-child-protection-and-economic-power/
2•MatteoFrigo•9m ago•0 comments

TeamPCP Supply Chain Campaign: Update 002

https://isc.sans.edu/diary/32838
2•jruohonen•10m ago•0 comments

Samsung Magician disk utility takes 18 steps and two reboots to uninstall

https://chalmovsky.com/2026/03/29/samsung-magician.html
2•chalmovsky•10m ago•0 comments

Things I learned building a model validation library

https://wilsoniumite.com/2025/01/24/things-i-learned-building-a-model-validation-library/
2•Wilsoniumite•11m ago•0 comments

AI isn't killing jobs, it's 'unbundling' them into lower-paid chunks

https://www.theregister.com/2026/03/24/ai_job_unbundling/
3•gnabgib•14m ago•1 comments

Para-Academic Techno-Philosophy

https://elftheory.substack.com/p/para-academic-techno-philosophy
2•lentoutcry•14m ago•0 comments

Generating one token at a time is a blessing in disguise

https://kachkach.com/blog/generating-one-token-at-a-time-is-a-blessing-in-disguise
2•halflings•16m ago•1 comments

The Acceleration of Addictiveness (2010)

https://paulgraham.com/addiction.html
2•microsoftedging•17m ago•0 comments

Show HN: OpsScaleIQ – The operational intelligence OS for franchise operators

https://opsscaleiq.com
2•dsptl•17m ago•0 comments

Personal story: BR airlines sites sucks. Struggling to cancel seat selection

https://blog.thisago.com/story/20260329-cancellingFlightSeatSelection.txt
2•thisago•18m ago•0 comments

Show HN: Tabical – Tinder-style city micro-itineraries, personalized by swipe

https://tabical.com/
3•akhilpotturi•19m ago•0 comments

Hundreds of strangers flock to San Francisco beach to dig a really big hole

https://www.sfgate.com/sf-culture/article/hundreds-strangers-flock-sf-beach-dig-really-big-221583...
2•Stratoscope•20m ago•0 comments

Ask HN: What is TensorFlow still good for now?

1•asxndu•22m ago•1 comments

What category theory teaches us about dataframes

https://mchav.github.io/what-category-theory-teaches-us-about-dataframes/
4•fanf2•24m ago•0 comments

Show HN: Crazierl – An Erlang Operating System

https://crazierl.org/demo/
3•toast0•27m ago•1 comments

The Agentic Passive Voice

https://lethain.com/agentic-passive-voice/
1•jbernardo95•28m ago•0 comments

AI on deck: assessing impact of MLB's new ball-strike system

https://news.cornell.edu/stories/2026/03/ai-deck-assessing-impact-mlbs-new-ball-strike-system
1•rmason•28m ago•0 comments

Magellan: AI agents for autonomous cross-disciplinary scientific discovery

https://github.com/kakashi-ventures/magellan-cli
1•ameft•28m ago•1 comments

An uncatchable CoreML crash: MLIR compiler failures on the iPhone SE 2

https://medium.com/@wagaodongo/the-uncatchable-crash-why-my-coreml-app-works-on-every-iphone-exce...
2•volvogradSaint•32m ago•1 comments

The road signs that teach travellers about France

https://www.bbc.com/travel/article/20260327-the-road-signs-that-teach-travellers-about-france
1•1659447091•36m ago•0 comments

Cleveland Clinic and IBM debut new quantum simulation workflow

https://www.ibm.com/quantum/blog/cleveland-clinic-protein-qcsc
1•rbanffy•38m ago•0 comments

Visual reasoning benchmark based on Analog Clocks

https://clockbench.ai/
1•yrds96•38m ago•0 comments

Secure Proxy Manager

https://fabriziosalmi.github.io/secure-proxy-manager/
1•TheTaytay•41m ago•0 comments

Zombie Netscape Won't Die

https://hackaday.com/2026/01/27/zombie-netscape-wont-die/
2•riffic•42m ago•0 comments

Toxic PFAS residue identified on 37% of California produce, new analysis finds

https://www.theguardian.com/environment/2026/mar/29/pfas-residue-california-produce-analysis
5•bookofjoe•45m ago•2 comments

ChatGPT Won't Let You Type Until Cloudflare Reads Your React State

https://www.buchodi.com/chatgpt-wont-let-you-type-until-cloudflare-reads-your-react-state-i-decry...
56•alberto-m•45m ago•22 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.