App developer & mini painter. I make apps and break things.

UIKit. Swift. Gaming. Warhammer. Generative AI. Reverse-engineering. Husband. 🏳️‍🌈 He/him.

Developer of indie macOS apps. The Archive, WordCounter, TableFlip, Move!

Using #Xcode to write #Swift and sometimes #SwiftUI apps for #iOS and #Mac.

OG #Zettelkasten zealot.
Local #urbansketchers group founder.

#Bielefeld (Germany)

🤴O TETRA CAMPEÃO DO MAI$ TGARELA$ DO FEDIVER$O BR

🎂Quase 3 ANO$ "Hey, hello, Hi, I we were Fediver$e apart"♬ ne$$a comunidade linda Formigueiro/RS-BR

Agradeço a TODX$ de$$e lugar um $ofá aconchegante longe do$ algoritmo$ alt text:
"Um urso fofinho todo estiloso, de boné virado pra trás e corrente dourada no pescoço, com aquela cara de 'que que tá rolando, mano?'. Fundo com as cores da bandeira trans e uns caracteres japoneses pink flutuando em cima, tipo vibe misteriosa e descolada"

Code numpty. Continuing to fail at writing fiction. Sucker for a photo of a spooky road.

“Happy motoring! Cock-a-doodle-doo”!

#SwiftLang #RustLang #WritingCommunity #PaintingMiniatures

iOS Dev loving the Apple walled Garden. Team generator, Agile Transition Guide, Org. Change catalyst, telemark skier, boat builder, sailor, etc. Human

https://linktr.ee/davidkoontz

I write Swift & Kotlin. Well, mostly Swift. I also like running, especially in the forest. I try to understand everybody. My orienteering app: https://control-app.net

I write Swift and write about Swift, but most people prefer my dogs.

Indie Developer making things in C++ and Swift.

Mp3tag for macOS (@mp3tag) and Windows (@mp3tag).
@habitboard for iOS, iPadOS, and watchOS.

Physicist and Software Engineer 🇪🇺 🇩🇪

👨‍💻 #swift, 👨‍💻 #macOSDev, 👨‍💻 #iOSDev, 🐈 cats, 📷 photography, 🎮 games, 🎸 heavy metal, ☕️ coffee, ✏️ pencils, 📙 pocket notebooks provenc8f2eb

All posts get deleted after two weeks.

Engineering digital sovereignty at @nextcloud. 🌥️ Writes mostly about #iOS, #macOS, #Swift, #Nextcloud and #Apple. 🍏 Likes to overshare about things you could not care less about. 😇

Create native iOS Swift apps by chatting with AI. Available now on iOS and macOS.

Swift, squirrels, cycling, cities for people not cars. My book: Advanced Swift. Berlin. Languages: de/en.

Invisible characters: When posting code, I sometimes insert a zero-width space (U+2060) to prevent things from turning into hashtags or mentions. Example: `@⁠escaping #⁠line`. Beware when copy-pasting such code into your editor.

Aspiring tooter, avid re-tooter, bicromlogger, coddiwompler, shower thought leader, and a talking head wannabe. Currently working as a developer at @makeswifthq, previously @articulate, digital diagnostics, @workgroupsdv, and other places. Recovered burnout victim.

Widely known SASAnaut in some narrow circles. Also, a doffee crinker.

Header image: a scene from my favorite late-soviet-era steampunk sci-fi movie "Kin-dza-dza!"

Posts auto-delete after 2 months


Purveyor of code, dad jokes & arrows.
#swift #iOS #bouldering #ev #indiedev

 unrelated. I'm here for bugs.
☈ https://cryptoswift.io ⌨️ TextKit certified expert @ https://goodnotes.com by day

Get https://notepadexe.com - developer playground.

Text editor implementer by night https://github.com/krzyzanowskim/STTextView

Twitter migrant! Boomer here (aka OLD)Brooklyn NYC born and raised, but live in hell in DeSantis land now🤮 My family, politics, tea drinking, Whovian, raising Monarch 🦋, dogs, plants, books and golf are my jam! PS I am a Senior Swiftie!

Software Engineer living in Buenos Aires #Swift #Swiftlang #SwifUI

Personal toots: betzerra[at]mastodon.social

Tech witch. I'm building an electric airplane. I maintain the Quick, Nimble, and Swift Fakes testing libraries for Swift & Objective-C.

Avid bike rider. Bicycles are the best form of personal transport.

🏳️‍⚧️🏳️‍🌈. Married to the most wonderful woman in the world.

👨‍💻 #SwiftLint maintainer enjoying:
📚 programming languages
⚙️ compilers
🧹 linters
🚆 trains
🎵 classical music

A video series exploring Swift and functional programming. Hosted by @mbrandonw and @stephencelis.

Save 30% off today! https://www.pointfree.co/discounts/black-friday-2025

He/him. Human. #WokeAF

Indie software dev, tinkerer, player of video games, husband, P.U.N.K., futurist, comical element. ⭐️ Alumnus CTO & co-founder of German sustainability startup RECUP 💚

I try to make a living creating #Shortcuts-centered, productivity-related tools for #macOS & #iOS.

From #Flensburg, Europe 🇪🇺

#ShortcutsApp #Developer #dev #SwiftUI #Swift #Typescript #Javascript #ObsidianMD #PKM #Germany #provene04241

Bluesky: https://bsky.app/profile/zottmann.dev