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A Brief History of Lab Notebooks

https://www.asimov.press/p/lab-notebooks
1•cratermoon•18s ago•0 comments

Continuing the story of early DOS development

https://opensource.microsoft.com/blog/2026/04/28/continuing-the-story-of-early-dos-development/
2•oldnetguy•25s ago•0 comments

Show HN: Loom – A Markdown knowledge graph for better coding-agent execution

https://github.com/z3z1ma/agent-loom
1•z3z1ma•29s ago•0 comments

Forcing dark mode in PDFs for Firefox

https://drgrizz.xyz/firefox_pdf_dark.html
1•Davidbrcz•55s ago•0 comments

Affordability Still Dominates Americans' Financial Worries

https://news.gallup.com/poll/708905/affordability-dominates-americans-financial-worries.aspx
1•cbg0•1m ago•0 comments

Show HN: Mvndvs TERRARUM – A Renaissance-style 3D world map

https://world.gjlmotea.com/
1•gjlmotea•1m ago•0 comments

Israel sent "Iron Dome" system and troops to UAE for Iran defense

https://www.axios.com/2026/04/26/israel-iron-dome-uae
2•janandonly•1m ago•0 comments

Warp is now open-source

https://twitter.com/zachlloydtweets/status/2049154460039979268
1•swah•2m ago•0 comments

VPinPlay – VPinball rating, playtime and score tracking

https://www.vpinplay.com/
1•bentaho•2m ago•0 comments

Sony silently rolls out 30-day online DRM check-in for PlayStation digital games

https://www.tomshardware.com/video-games/playstation/sony-rolls-out-30-day-online-drm-check-in-fo...
1•gloxkiqcza•3m ago•0 comments

Barge rescue attempt for Timmy the whale in Germany gets go-ahead

https://www.theguardian.com/world/2026/apr/28/timmy-whale-barge-rescue-attempt-germany
1•Tomte•3m ago•0 comments

Securing the Git push pipeline: Responding to a critical remote code execution

https://github.blog/security/securing-the-git-push-pipeline-responding-to-a-critical-remote-code-...
1•samtrack2019•3m ago•0 comments

Cybersec is a thankless job: expanding workload and shrinking pay packet

https://www.theregister.com/2026/04/27/from_a_massive_skills_gap/
1•rustoo•3m ago•0 comments

Reimagining Bash for Untrusted Contexts

https://capsulerun.github.io/blog/reimagining-bash-for-untrusted-contexts
1•mavdol04•4m ago•0 comments

Building Software Businesses for an AI Future

https://www.hauser.io/building-software-businesses-for-an-ai-future/
1•bkfh•6m ago•0 comments

Anthropic Joins the Blender Development Fund as Corporate Patron

https://www.blender.org/press/anthropic-joins-the-blender-development-fund-as-corporate-patron/
16•Philpax•6m ago•1 comments

Geomys is a Gopher browser for classic 68000 Macintosh computers

https://macintoshgarden.org/apps/geomys
1•janandonly•7m ago•0 comments

AI uncovers 38 vulnerabilities in largest open source medical record software

https://aisle.com/blog/aisle-discovers-38-critical-security-vulnerabilities-in-healthcare-softwar...
2•mmsc•8m ago•0 comments

Microsoft Edit 2.0.0 – A compiler for syntax highlighting

https://github.com/microsoft/edit/releases/tag/v2.0.0
3•lhecker•9m ago•0 comments

Agents Are Microservices with a Brain

https://blog.dataengineerthings.org/the-microservices-playbook-for-multi-agent-systems-4d386cef62e8
1•chtefi•9m ago•0 comments

Meta seeks to power data centers with energy beamed from space

https://www.latimes.com/business/story/2026-04-27/meta-seeks-to-power-data-centers-with-energy-be...
1•1vuio0pswjnm7•10m ago•2 comments

SupraWall – Runtime Policy Enforcement for AI Agents

https://github.com/wiserautomation/SupraWall
2•Alexander1983•11m ago•0 comments

Don't use localhost:3000, use your own custom domain

https://idiallo.com/blog/say-no-to-localhost3000-use-custom-domains
1•Brajeshwar•11m ago•0 comments

Show HN: Drive any macOS app in the background without stealing the cursor

https://github.com/trycua/cua
2•frabonacci•11m ago•0 comments

Show HN: I built a search engine for llms.txt sites

https://statespace.com/
2•durovilla•12m ago•0 comments

Introduction to Secret Sharing from First Principles

https://stoffelmpc.com/stoffel-blog/guide-to-secret-sharing
1•badcryptobitch•13m ago•0 comments

Bitboards

https://www.chessprogramming.org/Bitboards
1•tosh•14m ago•0 comments

A 25-Year-Fight over a 2-Second Sample

https://www.plagiarismtoday.com/2026/04/20/a-25-year-fight-over-a-2-second-sample/
2•speckx•14m ago•0 comments

Warp is now open-source

https://www.warp.dev/blog/warp-is-now-open-source
5•meetpateltech•16m ago•0 comments

Meta poised to surpass Google in digital ad revenue for first time

https://www.reuters.com/business/media-telecom/meta-poised-surpass-google-digital-ad-revenue-firs...
3•chirau•18m ago•0 comments
Open in hackernews

Show HN: Dexter – an opinionated day planner for Mac

https://dexterplanner.com/
17•cvburgess•11mo 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•11mo ago
Sorry to hear about the inspiration for this. It's very nicely done. Great work.
cvburgess•11mo ago
Thank you so much <3
DevDad_io•11mo ago
Very clean UI, well done!
cvburgess•11mo 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•11mo 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•11mo 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•11mo 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.