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Jas1k

@Jas1k

Joined September 13th, 2026

  • 14Devlogs
  • 2Projects
  • 3Ships
  • 25Votes
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@Jas1k on CatOS

I made a catOS, its cat-style OS, more details, what its all about you can find in my 1. ship or in readme file. I added these features:
Theme Templates (catTemp): A dedicated customization window allowing users to switch between four cozy cat-inspired background themes (Coffee, Cat Car, Coffee Beans, and Barista Cat). Features high-quality image previews with crisp edge rendering and persistent preference saving using localStorage.

Tic-Tac-Toe Mini-game: A playable, built-in widget that brings an interactive game directly to the desktop environment for quick entertainment.

Interactive Loading Screen: A custom boot overlay featuring catOS branding, animated dot spinners, a dynamic percentage progress bar, and a subtle “Tap anywhere to open” prompt that allows entry once loading hits 100%.

  • 4 devlogs
  • 4h
  • 13.44x multiplier
  • 48 Stardust
  • WebOS 2
Try project → See source code →
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@Jas1k on CatOS

1h 17m 26s logged

Got the templates working, i added 4, and create and tic tac toe minigame, where you play vs bot. Today i am planning on doing the loading screen and shipping the project. I am deleting settings, cuz i dont know what to do with it. And i am also redesinging apps catNotes, catOfy and more.

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@Jas1k on CatOS

57m 14s logged

I did the templates, but it didnt work i only did the graphics. I tried to build rulette, but ai coudnt help me with it, so i have to find a new cool game.

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@Jas1k on CatOS

1h 1m 26s logged

Today i am working on some big changes in my OS. First i am adding some more templates, new minigame and settings. Then i am going to make a custom loading screen. And transfrom the apps and navigations, so it can looked like real OS. Wish me luck.

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@Jas1k on CatOS

I built catOS, a cozy, cat-themed web operating system using HTML, CSS, and Vanilla JavaScript. The most challenging part was programming the draggable windows and calculating their boundaries so they never get lost off-screen or behind the taskbar. I am really proud of the cohesive coffee-inspired aesthetic and the catNote app, which automatically saves data using localStorage. To test it, simply open the live link, try dragging the windows around, write a note, and play some music in the catOfy app!

Try project → See source code →
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@Jas1k on CatOS

40m 13s logged

Last devlog befor shipping poject. I added an “advanced” app called catOfy something like spotify for listening music, i added some cat tracks for listening. I have written some readme W ai, cuz its too hard.

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@Jas1k on CatOS

1h 59m 19s logged

The 4. stage is done. I added notes, ai generated me something to put, most, that the guide said. I am planning to add icons to the apps. I added it to website.

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@Jas1k on CatOS

1h 6m 53s logged

I have added the closing, opening and moving actions, its very cool and interesting, new thing to me. Upgraded the welcome window with X button for closing and a dark strip for moving it around. I have decided to move the footer down, cuz its OS not a web. And I added google link.

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@Jas1k on CatOS

1h 13m 10s logged

Creating my own OS. I gave it a name CatOS cuz i like cute cats, today i have done welcome screen for my OS, hope you like it. running in localhost

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@Jas1k on My own site!

15m 38s logged

Have done some easy text W pictures on pexels, not mine, and some good css. Tomorrow I am working on the scroll thing, logo transition and beter pictures.

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