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Show HN: Grenzwert – Medical Viewer

https://grenzwert.net/en/
2•MickGorobets•58m ago
I shared an earlier version of this project some time ago. Since then, I have implemented quite a few changes and improvements.

The project is a cross-platform medical viewer written in C++. It also builds for the web via Emscripten/WebAssembly, so the same codebase can run both natively and in the browser.

Some of the main updates since the previous version:

- Added an MPR mode. Previously, the viewer only had volume rendering; it can now display sagittal, coronal, and axial planes.

- Added navigation tools for MPR views, including zoom, pan, window/center adjustment, HU probe, coordinate display, and crosshair mode.

- Added measurement tools for distances and angles.

- Added presets for the transfer function.

- Integrated a progressive irradiance cache for the 3D rendering mode, which significantly improves performance on lower-end devices.

- Added new CT and MRI datasets to the website, so it is easier to try the viewer without preparing your own data.

I am currently working on integrating a DICOM loader, so users will be able to load their own DICOM studies directly.

What do you think about the direction of the project?

Can I just say f*** AI, f*** AI, f*** AI? [video]

https://www.youtube.com/shorts/0z7Q0Bg9TAY
1•tcp_handshaker•15s ago•0 comments

Show HN: Font Wizard Pro – a font manager for iPhone and iPad

https://apps.apple.com/us/app/font-wizard-pro-font-manager/id352966034
1•stalinkay•37s ago•0 comments

Simple systems are the best systems

https://jerodsanto.net/2026/05/simple-systems-are-the-best/
1•jerodsanto•4m ago•0 comments

Economic Growth and Community Well-Being Are Not Opposites

https://www.civicbrand.com/insights/articles/economic-growth-and-community-well-being-are-not-opp...
1•mooreds•5m ago•0 comments

Beyond the API: Why Critical Infrastructure Is Going Streaming

https://schematichq.com/blog/beyond-the-api-why-critical-infrastructure-is-going-streaming
1•mooreds•6m ago•0 comments

Tiendli – e-commerce, reservations and marketplace for Latam SMEs

https://tiendli.com
1•zuomy•9m ago•0 comments

Spaniel – OpenTelemetry viewer for local development (Postman for your traces)

https://github.com/zfogg/spaniel
1•zfogg•9m ago•0 comments

It's Not Just X. It's Y

https://mail.cyberneticforests.com/its-not-just-data-its-post-training/
1•mooreds•12m ago•0 comments

Linear CEO Responds to Corgi (YC S24) CEO on Grindmaxxing

https://twitter.com/karrisaarinen/status/2061139112426623054
3•hbcdbff•13m ago•0 comments

Atherton spent $145K to delay train electrification. The rest of us paid $400M

https://peninsulaforeveryone.org/blog/atherton-spent-145k-to-delay-caltrain-electrification-the-r...
1•mslate•14m ago•0 comments

Fish Sleep a Lot Like Us. (They Even Nap.)

https://www.nytimes.com/2026/05/27/science/fish-sleep-a-lot-like-us-they-even-nap.html
1•cainxinth•17m ago•0 comments

Ask HN: Do you use Cloudflare bot protection? If so, why do you use it?

1•Velocifyer•18m ago•0 comments

Agent-stack – one command to make any repo token-efficient for Claude Code

https://github.com/drmahdikazempour/agent-stack
1•mahdikaz•19m ago•0 comments

G7 Agrees on Shared Language Around Open-Source AI, Open Weights AI

https://www.phoronix.com/news/G7-On-Open-Source-AI
1•winter_blue•20m ago•0 comments

JavaScript Crossword

https://lyra.horse/fun/jscrossword/
3•marvinborner•23m ago•0 comments

Show HN: Pictolab (online HDR image editor)

https://pictolab.io/
2•ChadNauseam•24m ago•1 comments

What Is Code

https://martinfowler.com/articles/what-is-code.html
2•wapasta•30m ago•0 comments

Pixelnet – The social network for game developers

https://pixelnet.flarum.cloud
2•telui•30m ago•1 comments

The need for a socialist planned economy (2021)

https://www.marxist.ca/article/the-need-for-a-socialist-planned-economy
3•vhantz•31m ago•1 comments

New in Svelte – June 2026

https://svelte.dev/blog/whats-new-in-svelte-june-2026
2•levmiseri•34m ago•0 comments

Development Containers

https://containers.dev/
3•hecanjog•37m ago•0 comments

A (small) language model walks through its training text

https://github.com/chrishwiggins/shannon-language-model
3•raybb•39m ago•0 comments

Converting ISO Country Codes to Flag Emojis

https://danq.me/2026/05/31/iso-country-codes-to-flags/
3•bovermyer•42m ago•0 comments

Show HN: Orchid Mantis – A PoC in Rust for Zero Knowledge Proofs of Exploit

https://github.com/unprovable/OrchidMantis
2•unprovable•42m ago•1 comments

When an agent can explain anything, what is the role of human-centric docs?

https://www.dbreunig.com/2026/05/31/what-do-humans-need-from-docs.html
3•dbreunig•46m ago•0 comments

We Built a Real-Time AI Research Collaborator into Our Jot Writing Tool

https://medium.com/@vektormemory/we-built-a-real-time-ai-research-collaborator-into-our-jot-writi...
2•vektormemory•46m ago•0 comments

Show HN: Llmff v1.0 FFmpeg for Inference

https://github.com/syndicalt/llmff
3•syndicalt•50m ago•0 comments

Show HN: Zaxy v1.0

https://docs.zaxy.io/
2•syndicalt•50m ago•0 comments

The global oil market is running out of options

https://finance.yahoo.com/markets/article/the-global-oil-market-is-running-out-of-options-you-can...
2•wslh•51m ago•0 comments

I built a programming language in C (Arc) with a custom interpreter

https://github.com/VxidDev/arc
2•VoidDev•53m ago•0 comments