ZeroDay404

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Cool Linux Club T-Shirt, Linux Programmer Shirt, Developer Coding Tee

CA$33.08

Retro Linux 1991 Helsinki T-Shirt, Programmer Gift, Developer Coding Shirt

CA$33.08

Code Valley T-Shirt for Programmers, Coding Shirt, Developer Gift

CA$33.08

Hacker Land T-Shirt for Programmers, Coding Shirt, Developer Gift

CA$33.08

Linux T-Shirt for Programmers, Coding Shirt, Developer Gift

CA$33.08

Linux T-Shirt with Tux Penguin – Minimal Unisex Tech Tee for Developers

CA$33.08

Linux Shirt – Minimal Coder Tee – Unisex Developer Gift

CA$33.08

Linux Shirt – Pink Programmer Gift Tee

CA$33.08

Linux Music Shirt – Cute Gift Tee

CA$33.08

Pastel Linux Shirt – Gift Tee

CA$33.08

Cute Linux T-Shirt – Programmer Gift – Unisex Tech Tee

CA$33.08

Minimal Linux T-Shirt – Programmer Tech Tee

CA$33.08

HTML Minimal Developer T-Shirt – Coding Tee

CA$33.08

Minimal HTML Developer T-Shirt – Web Programmer Tee

CA$33.08

Minimal Linux T-Shirt – Unisex Programmer Tee with Penguin Design

CA$33.08

Linux Graphic T-Shirt – Fun Tech Tee for Developers & Open Source Fans

CA$33.08

Aesthetic Linux Shirt – Cute Tech Tee for Developers & Open Source Lovers

CA$33.08

Linux Floral T-Shirt – Cute Unisex Tech Tee with Flower Design for Programmers

CA$33.08

Linux T-Shirt – Colorful Minimal Linux Developer & Programmer Tee

CA$28.11

Linux Graffiti T-Shirt – Funny Linux Programmer & Developer Tee

CA$28.11

Global Domination WWW T-Shirt – Funny Web Developer Coding Shirt

CA$26.46

Stronger Than Linux T-Shirt – Funny Programmer Tee, Coding Humor Unisex T-Shirt

CA$33.08

Code The Future T-Shirt, Programmer Shirt, Run Debug Repeat Tee, Developer Gift, Coding Humor Unisex TShirt

CA$33.08

Validation Passed T-Shirt – Funny Programmer Shirt, Coding Humor Tee, Developer Gift

CA$36.39

Why Is This Working T-Shirt – Funny Programmer Shirt, Coding Humor Tee, Developer Gift

CA$38.04

Error 404 Mind Not Found T-Shirt – Funny Programmer Shirt

CA$36.39

Your Password Is Weak T Shirt Funny Cybersecurity Shirt Hacker Bear Tee Programmer Gift Developer Shirt

CA$26.46

JavaScript Error T-Shirt, Funny Programmer Shirt, Coding Humor Tee, Developer Gift, JS Geek Shirt, Unisex T-Shirt

CA$28.11

Developer T-Shirt | Minimal Tech Shirt for Programmers & Cybersecurity Fans | Coding Inspired Apparel

CA$24.80

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Stavroula Plousi

About ZeroDay404

Sales 1

On Etsy since 2026

ZeroDay – Code your style

A tech-inspired clothing and accessories brand for developers, hackers, and cybersecurity enthusiasts. Clean, minimal designs with a playful tech twist — because your wardrobe should be as sharp as your skills.

At ZeroDay, we create modern apparel and accessories inspired by programming culture, cybersecurity, and the digital lifestyle. Our designs combine simplicity with geek-chic aesthetics, featuring subtle glitch elements and clever tech references.

Whether you're coding late at night, attending a hackathon, or simply expressing your love for technology, ZeroDay lets you wear your passion in a clean, modern, and unmistakably tech way.

Shop members

Stavroula Plousi

Owner

ZeroDay – Code your style Tech-inspired apparel and accessories for developers, hackers, and cybersecurity enthusiasts. Minimal, modern designs with a playful tech twist—because your style should be as sharp as your skills.

Shop policies

Last updated on 22 Jan, 2026

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