The latest articles on DEV Community by Mikalai Zmachynski (@claustrofob). https://dev.to/claustrofob https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3887154%2Fa899c7b4-4c1b-4660-afe8-7c495bc12dfc.jpg https://dev.to/claustrofob en Mikalai Zmachynski Sun, 19 Apr 2026 09:31:12 +0000 https://dev.to/claustrofob/yotei-highly-modular-customizable-swiftui-calendar-263i https://dev.to/claustrofob/yotei-highly-modular-customizable-swiftui-calendar-263i <p>I built a calendar package for iOS that focuses on modularity, customization, and performance.</p> <p>GitHub: <a href="https://github.com/claustrofob/Yotei" rel="noopener noreferrer">https://github.com/claustrofob/Yotei</a></p> <p>Why I built it</p> <p>I kept rewriting calendars across projects and couldn’t find something that was both flexible and performant. Most solutions were either pure SwiftUI with corresponding bugs and limitations, UIKit-heavy (fast but harder to integrate cleanly) or some abandoned packages.</p> <p>Key ideas</p> <ul> <li>Highly modular architecture — use only the pieces you need</li> <li>Fully customizable UI and behavior</li> <li>SwiftUI-first API</li> <li>UIKit under the hood for smooth scrolling &amp; performance</li> <li>Native iOS feel</li> </ul> <p>Example use cases</p> <ul> <li>Scheduling apps</li> <li>Habit trackers</li> <li>Fitness / activity apps</li> <li>Booking interfaces</li> <li>Timeline-based UIs</li> </ul> <p>Would love feedback! Contributions welcome 🙌</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fku3a4tc8f8q4n5c63zyc.jpg" class="article-body-image-wrapper"><img width="800" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fku3a4tc8f8q4n5c63zyc.jpg" height="1661"></a><br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fc8rkq61711filccd1udr.jpg" class="article-body-image-wrapper"><img width="800" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fc8rkq61711filccd1udr.jpg" height="1663"></a><br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fv2nyuxqijm7rknozq34p.jpg" class="article-body-image-wrapper"><img width="800" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fv2nyuxqijm7rknozq34p.jpg" height="1664"></a><br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flibg0ohvftth2iiphk7h.jpg" class="article-body-image-wrapper"><img width="800" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flibg0ohvftth2iiphk7h.jpg" height="1664"></a></p> swift swiftui ios uikit