RetroMac
Turn your Mac into a time machine
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RetroMac - Turn your Mac into a time machine.

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RetroMac wraps your everyday macOS in the look and feel of classic computers: authentic CRT shaders over your whole screen, themed docks and desktops (Mac OS 9, Windows XP/98, BeOS, Amiga…), retro widgets and games, and a virtual webcam that pipes the CRT look into Zoom, Meet or Teams. Open source, free to use with an optional one-time upgrade for extra presets and webcam support.

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Maker
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🆕 What’s new since our first launch? This is RetroMac’s second Product Hunt launch, and the app has grown a lot! 👉 Dock Mode & a quick launcher. RetroMac can live in your Dock; click its icon for a slim launcher to switch themes and flip the shader or virtual camera on/off. There’s also a floating launcher button you can drag anywhere on screen. 😳 Shaders on every display. Multi-monitor setups now get the CRT treatment on all screens, not just the main one. 👉 New “Retro Crisis” shaders (GDV-NTSC composite & RGB) and softer, more authentic CRT phosphor masks . No more “fly-screen” sharpness; it looks like a real tube now. 👋 Authentic Windows taskbar: Windows 98 and XP show one elongated taskbar button per open window; click to minimize/restore, just like the real thing.
This caught my attention because nostalgia-based products usually attract people fast… but keeping them engaged long term is where things get interesting. Curious, do you see this becoming more of a one-time experience product, or something users keep coming back to regularly?
Maker

 Its getting more and more serious instead of a toy. Thats why Im working on settings like dock only mode, so you can modify your mac as little as you like instead of changing the whole look & feel

That actually changes the positioning quite a bit. Once a product moves from novelty into something users can integrate gradually without disrupting existing habits, the challenge stops being product design and starts becoming market education. Because now people need to understand why they should adopt it beyond the nostalgia factor. That shift usually changes how growth has to be approached entirely.

I love these Retro series and now incorporated the Simpsons! :D You are a genius!

Maker

 thank you! ◡̈

Hey, I saw this relaunch and immediately saw something good was coming (and I was right)!

Anyways, whens the windows version coming...

Maker

 Thank you! I hope a win version ios coming within the next 2 months ◡̈

the dock for classic mac OS 9 is the unlocked badge of every developer who's quietly been wanting this since they were 14. shut up and take my money.

real question though: does the CRT shader work with external monitors? half my screen real estate is at 27" and i don't trust most shader presets to scale clean across resolutions.

Maker

 yes! I use it with my external Monitor as well

  that's the green light i needed. installing tonight. if it survives my dual monitor setup i'm posting the cosplay screenshot.

This launch got me :)

Congrats on the launch! 🚀

The attention to detail is impressive, especially recreating the Windows 98/XP taskbar behavior instead of just changing the visuals.

I'm curious: since the shaders run across the whole desktop, how much GPU overhead do they add during everyday work or video calls? It would be interesting to know how they perform on older Intel Macs versus Apple Silicon.

Maker

 There is a performance mode so your Mac doesn't need that many resources. And a bunch of "lite" presets, which are pretty fast too.

I urgently need this.

This is the kind of app people open “just to try once” and then accidentally spend an hour changing their whole setup. The virtual webcam part is a fun touch too — showing up to a call with a CRT look is weirdly tempting.

This is genuinely delightful. The CRT shader on a single window is a nice touch — you can keep your workflow normal and just make the one app you're vibing with look like 1987.

Curious whether the shaders work with external displays or if it's limited to the built-in screen. And is there any performance hit on M-series chips running the full-screen presets?

Solid free tier strategy too — let people fall in love with it before asking for money.

From a systems-level perspective, how are you intercepting the window server/compositor to inject the vintage display rendering and retro behaviors without triggering major layout lag or shattering native macOS window-snapping frameworks?

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