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Show HN: MotionDesk: Physics-driven, Metal-accelerated wallpapers for macOS

3•motiondeskapp•1h ago
I built MotionDesk, an aesthetic macOS wallpaper app that uses Metal shaders and native display APIs rather than playing a video file in the background, which is what most wallpaper engines do.

The app renders wallpapers that respond to your environment in real time. A few of the modes (16 total):

- Physics-based + Interactive: your cursor disturbs magnetic fields or contour fields rendered on the desktop. (These 2 modes are free forever)

- Weather: You can have it rain, snow, thunder, etc on your desktop, or even pull live weather data and have your weather app basically be your wallpaper.

- Liquid glass overlay: a refraction effect applied over your existing wallpaper.

- Space: Travel through stars (more items such as blackholes being added soon)

- Dock plants: places cute flowers and cactus on your dock :)

- and more: Glyph swarm (popular), ASCII Field (popular), Smoke, Tide, Pulse Rings, Neon Wireframe, Net, Math, DNA.

Performance

This was a hard constraint from the start. The app currently averages under 10% CPU time, around 300 MiB memory, and 35% GPU core time. It can run very smoothly on hardware as old as a 2015 MacBook Pro :) Battery impact is very low, which was one of my main concerns when starting its development.

Where it stands

500 downloads in the first week since launch. Early feedback has been very positive, and we have addressed some popular feature requests and fixed some bugs that were not caught on our test devices.

Exposing More Parallelism Is the Reason Why Some Vectorized Loops Are Faster

https://johnnysswlab.com/exposing-more-parallelism-is-the-hidden-reason-why-some-vectorized-loops...
1•ingve•2m ago•0 comments

AI for Social Impact: Ideas Worth Building

https://www.araju.dev/blog/ai-for-social-impact
1•araju•5m ago•0 comments

Neanderthals seemed to have a thing for modern human women

https://arstechnica.com/science/2026/02/genomes-chart-the-history-of-neanderthal-modern-human-int...
1•jnord•6m ago•0 comments

LastSaaS: Free, open-source SaaS boilerplate; Go+React, built with Claude Code

https://github.com/jonradoff/lastsaas
1•jradoff•6m ago•1 comments

Anthropic says it 'cannot in good conscience' allow Pentagon to remove AI checks

https://www.theguardian.com/us-news/2026/feb/26/anthropic-pentagon-claude
2•fenazego•8m ago•1 comments

DevToolbox – 150 developer tools, no login, no tracking

1•yashnandvana•8m ago•0 comments

Spacetime DB: running a live video call over a database

https://twitter.com/spacetime_db/status/2027187510950994255
1•noleary•8m ago•0 comments

Space Elephants Across the Universe: Why Nobody Knows What's Going On With AI

https://www.georgesaines.com/blog/2026/2/26/space-elephants-across-the-universe-why-its-so-hard-t...
1•gsaines•10m ago•0 comments

5in1 universal open source sailing block [video]

https://www.youtube.com/watch?v=2efa3epOGgY
1•burnt-resistor•11m ago•1 comments

Show HN: ClawCare – Security scanner and runtime guard for AI agent skills

https://github.com/natechensan/ClawCare
1•chendev2•11m ago•0 comments

The proposal for generic methods for Go has been officially accepted

https://old.reddit.com/r/golang/comments/1rfmjbq/the_proposal_for_generic_methods_for_go_from/
1•todsacerdoti•11m ago•0 comments

Show HN: Agent-Rules – Opinionated Rules and Workflows for Claude Code

https://github.com/letientai299/agent-rules
1•letientai299•14m ago•0 comments

Show HN: I asked AI to respond to the AirSnitch vulnerability the day it dropped

1•nevynweb•16m ago•0 comments

Google-Intel Joint TDX Security Review [video]

https://www.youtube.com/watch?v=_n6WDifszh8
1•transpute•17m ago•0 comments

Hello burnout my old friend

https://trishagee.com/2026/02/12/hello-burnout-my-old-friend/
1•tapanjk•20m ago•0 comments

High Performance, Real-Time, Self-Learning, Vector GNN and DB Built in Rust

https://github.com/ruvnet/ruvector
1•mercat•23m ago•0 comments

Manage your domain names via OpenClaw and MCP

https://keep.domains/
1•muhammedilyasy•24m ago•0 comments

Show HN: Humanpass – Proof of humanness using WebAuthn, no data collected

https://human-pass.org/v/20260227-0710-PGY0
1•jzaragoza•24m ago•0 comments

Ask HN: How Many Programmers Are Now Using AI Agents in Their Work?

1•somthingwrong•25m ago•1 comments

AI models don't have their own thoughts and feelings

https://blog.keyvan.net/p/ai-models-dont-have-their-own-thoughts
1•k1m•25m ago•0 comments

Show HN: Got tired of writing promos so I made it one-click

https://github.com/NomaDamas/auto-hongmyungbo
1•minsingjin•32m ago•1 comments

Show HN: Orbtx – A physics-based ΔV engine with real-time 3D visualization

https://orbtx.vercel.app/
1•marzhannurbakyt•35m ago•0 comments

The Human-in-the-Loop Is Tired

https://pydantic.dev/articles/the-human-in-the-loop-is-tired
2•jonbaer•38m ago•0 comments

My greatest programming challenge so far

https://adelbordbari.github.io/code/2025-02-01-manage-netplan-with-django/
1•imnitwit•41m ago•0 comments

QuasarUI: Premium components and templates for Quasar framework

https://www.quasarui.com
1•hafizjaidi•42m ago•0 comments

In the search for an e-paper tablet in 2026

https://far.chickenkiller.com/computing/in-the-search-for-an-e-paper-tablet-in-2026/
1•farooqkz•43m ago•0 comments

Rapid Hot-Swapping for Go Lambdas

https://github.com/vaijab/flint
1•vaijab•45m ago•1 comments

Show HN: A read-it-later app that exports clean Markdown to Obsidian

1•northerndev•48m ago•1 comments

The nostalgic winter drink dividing Germany

https://www.bbc.com/travel/article/20260225-the-nostalgic-winter-drink-dividing-germany
1•Geekette•49m ago•0 comments

Anthropic's AI Coding Study: How You Use AI Matters More Than Whether You Use It

https://luther.io/articles/personal-growth-in-the-age-of-ai/
2•vidluther•55m ago•0 comments