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Marcin Krzyzanowski

@krzyzanowskim.com
3.8K followers 1.5K following 14K posts

Member of Technical Staff @ Goodnotes

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Marcin Krzyzanowski @krzyzanowskim.com · 23/09/2026
typical reaction to the latest and greatest agentic programming opinion
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Marcin Krzyzanowski @krzyzanowskim.com · 21/09/2026
🫡 iPhone Duo support has landed in notepadexe.com With interactive 3D simulators, it's the best way to experience Apple's new foldable phone
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Marcin Krzyzanowski @krzyzanowskim.com · 07/09/2026
🚀 ✔ Rust - snippets - cargo projects - macOS/Linux target - everything Get from notepadexe.com v1.6.0
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Marcin Krzyzanowski @krzyzanowskim.com · 06/09/2026
relatable
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Marcin Krzyzanowski @krzyzanowskim.com · 02/09/2026
For a while already, in my head, ex-big-tech SWE is a red flag, for a reasons outlined here. out of touch of the actual job and no experience whatsoever in shipping. www.youtube.com/shorts/t5POy...
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Reposted by Marcin Krzyzanowski
Ben Collins @bencollins.bsky.social · 24/08/2026
There’s an aggressively paid for influence op going on right now to defend AI slop as art and protected speech across platforms. AI execs realize they have a problem and don’t wanna get Marie Antoinette’d. The free ChatGPT trip is the tip of the iceberg. First person to nail it down gets a Pulitzer.
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Reposted by Marcin Krzyzanowski
Dare Obasanjo @carnage4life.bsky.social · 02/08/2026
I find it fascinating that if I tell Claude to hack my fake Bank of America website and it instead, in classic LLM fashion, hallucinates and hacks the real one then there is no law that addresses this? Quite the loophole. I wonder what other crimes are legal as long as you get an LLM to do it?
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Marcin Krzyzanowski @krzyzanowskim.com · 02/08/2026
normal: somebody build an app and you pay $29 not normal: everybody build the same app and pay $2000 each
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Marcin Krzyzanowski @krzyzanowskim.com · 02/08/2026
notepadexe.com by the way
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Marcin Krzyzanowski @krzyzanowskim.com · 29/07/2026
iPhone Air spinning around ✔️ 3D Simulator
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Marcin Krzyzanowski @krzyzanowskim.com · 26/07/2026
Agentic txt
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Marcin Krzyzanowski @krzyzanowskim.com · 21/07/2026
such bad news. How it took 2 years, or even do anyone do any research before adopting new software? truly horrifying news Passwork, a Spain-based password manager used by European government agencies and universities, shares technological ties with a Russian counter www.occrp.org/en/investiga...
occrp.org
European Password Manager Shares Origins and Updates with State-Certified Russian Firm
Passwork, a Spain-based password manager used by European government agencies and universities, shares technological ties with a Russian counterpart — an arrangement that experts say poses a state-lev...
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Marcin Krzyzanowski @krzyzanowskim.com · 21/07/2026
check this out. better than Xcode, better than Codex, better than Bitrig, no limits, free AI, fast! setapp.com/apps/notepad...
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Reposted by Marcin Krzyzanowski
Chris (Vasselli) Lindsay @chrislindsay.bsky.social · 15/07/2026
Putting out feelers! 🐙 I have room for new contract work. I’m an indie app developer/generalist engineer focused on iOS/macOS, with web and security experience. I love untangling mature codebases and shipping tricky features. DMs open! 👋 www.linkedin.com/in/clindsay3/
linkedin.com
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Marcin Krzyzanowski @krzyzanowskim.com · 14/07/2026
with peer-human signed code, trust comes from shared experience; sometimes I can skip review. With agents, every line and decision feels suspicious. After enough hard lessons, I can’t grant trust the tech can’t earn. The mythical-capabilities debate is over.
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Marcin Krzyzanowski @krzyzanowskim.com · 10/07/2026
1986 ladies and gentleman. Bud said, “was such a vivid way to demonstrate that you didn’t have to be a programmer.”
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Marcin Krzyzanowski @krzyzanowskim.com · 29/06/2026
Last day of super duper promo - lifetime notepadexe.com and I keep pushing updates and new features! bundlehunt.com?ap_id=krzyza...
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Marcin Krzyzanowski @krzyzanowskim.com · 09/05/2026
Celebrate 1 year of notepadexe.com release BundleHunt packed with awesome deals is live: bundlehunt.com?ap_id=krzyza... #macdev #discount #macos
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Reposted by Marcin Krzyzanowski
Adam Lisagor @adamlisagor.com · 06/05/2026
Hovercraft is how I always wanted to share my slides. So I made it. It’s a virtual camera for macOS. No more disembodied voice. No more “can you see my screen?” Just me, tossing around my windows like it’s 2027. sandwich.vision/hovercraft
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Marcin Krzyzanowski @krzyzanowskim.com · 28/04/2026
cooking & research multiplatform text editing without "webview" this demo does not use any standard text components. All editors have the same logic, layout, and drawing capabilities on macOS, iOS, Android, and the web.
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Marcin Krzyzanowski @krzyzanowskim.com · 22/04/2026
it continuous bugs me Anthropic preach about god-like capabilities, and itself is constantly source of "we can't protect our stuff" or "we can't fix it" it does not adds up in scale
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Reposted by Marcin Krzyzanowski
Ben Lockwood, PhD @benlockwood.bsky.social · 20/04/2026
“AI is here to stay” says the makers of NFTs, the metaverse, Google Glass, Windows Phone
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Marcin Krzyzanowski @krzyzanowskim.com · 13/04/2026
believe me bro, go in debt if you have to and buy more tokens
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Marcin Krzyzanowski @krzyzanowskim.com · 10/04/2026
fire this guy immediately! Good talk: www.youtube.com/live/_zdroS0...
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Marcin Krzyzanowski @krzyzanowskim.com · 06/04/2026
Work with SwiftPM without Xcode and run on Mac and Linux with notepadexe.com youtu.be/7eGPTWPFEX4
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Reposted by Marcin Krzyzanowski
Robert Atkins @ratkins.net · 31/03/2026
Actually _read_ this one, it’s a great gag but the underlying point is more important. And I’m guilty as anyone from being insufficiently skeptical about newsworthy claims on social media. But it takes _so much time_ to do so! We used to have organisations to outsource this work to.
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Marcin Krzyzanowski @krzyzanowskim.com · 30/03/2026
blog.krzyzanowskim.com/2026/03/30/s...
blog.krzyzanowskim.com
Shipping Snake Oil
“Shipping Snake Oil” recounts how he created a fake AI project and watched it trend on GitHub -drawing millions of views and demands for nonexistent source code - as a satire of the AI hype cycle.
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Marcin Krzyzanowski @krzyzanowskim.com · 22/03/2026
probably the best mac app for agentic tinkering
thecommander.app
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Marcin Krzyzanowski @krzyzanowskim.com · 15/03/2026
See Commander in Action (v2 with audio)
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Marcin Krzyzanowski @krzyzanowskim.com · 14/03/2026
peak of bubble: "Rage Against the Machine" announced rebrand to "Rage Against the Ai" for their latest album 🤯
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Marcin Krzyzanowski @krzyzanowskim.com · 10/03/2026
peak future development environment
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Reposted by Marcin Krzyzanowski
Hypervisible @hypervisible.blacksky.app · 08/03/2026
Outsourcing their what now?
futurism.com
Study Finds That Execs Are Outsourcing Their Thinking to AI
The same class of business executives who heaped AI onto us by the shovelfull aren't immune to its effects.
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Marcin Krzyzanowski @krzyzanowskim.com · 09/03/2026
I tasked Claude Cowork to do my taxes this month. anyway, can't talk right now, heading to IRS, they called me for an urgent meeting.
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Marcin Krzyzanowski @krzyzanowskim.com · 06/03/2026
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Marcin Krzyzanowski @krzyzanowskim.com · 02/03/2026
I love Sticky Notes 🟨 Now stickies in thecommander.app allows storing the quick notes of the project I work on. Hide/show when needed. Update with some context, special prompt or whatever information that is relevant to the work!
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Marcin Krzyzanowski @krzyzanowskim.com · 01/03/2026
Unified search experience shipped to thecommander.app search chat history, changes, files, everything you work on
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Marcin Krzyzanowski @krzyzanowskim.com · 27/02/2026
after morning coffee
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Marcin Krzyzanowski @krzyzanowskim.com · 21/02/2026
This is what peak Agentic Development looks like whether you like it or not.
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Reposted by Marcin Krzyzanowski
Klemens 🦆 The Art of Fauna 🦆 @strasser.bsky.social · 02/02/2026
Art of Fauna Paywall slightly updated! 🦆 - Moved the "No Subscription" statement directly to the price - Showing my face in the "support and Indie Developer" section - Added the awards hehe 🏆 Lets see if that changes things! Thanks to @frederik.riedel.wtf for the inspiration!
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Marcin Krzyzanowski @krzyzanowskim.com · 01/02/2026
LOAD"COMMANDER",8,1
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Reposted by Marcin Krzyzanowski
Miguel de Icaza @migueldeicaza.bsky.social · 01/02/2026
Staying true to my one trick pony ethos. SwiftTerm, running a poor man's Evolution email client written in TermKit using MailFoundation and MimeFoundation:
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Reposted by Marcin Krzyzanowski
Fatbobman (东坡肘子) @fatbobman.com · 26/01/2026
A sincere surge of gratitude goes out to the amazing people who graciously imparted their invaluable insights to us: @donnywals.bsky.social, Bruno Valente Pimentel, Chandra Welim, Doug Gregor, Jesse Zamora, @zottmann.dev, Kyryl Horbushko, @krzyzanowskim.com and @onev.cat
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Marcin Krzyzanowski @krzyzanowskim.com · 25/01/2026
welcome.gif
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Marcin Krzyzanowski @krzyzanowskim.com · 23/01/2026
Got the front page of the industry WSJ: iOS Dev Weekly iosdevweekly.com/issues/740/ 👈 with commanderai.app
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Reposted by Marcin Krzyzanowski
Plinky 🔗 @plinky.app · 22/01/2026
I'm excited to announce a new partnership — the best combo since peanut butter and jelly — Plinky × Unread. Plinky Pro subscribers are eligible for a 50% discount for the award-winning RSS reader: Unread. And the reverse is true — Unread Premium subscribers can subscribe to Plinky Pro for 50% off!
plinky.app
Plinky fans, meet Unread — Easily Save Links | Enjoy Them Later
Plinky Pro subscribers are eligible for a 50% discount on Unread Premium (and vice versa).
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Marcin Krzyzanowski @krzyzanowskim.com · 21/01/2026
prompt. change. review. commit. repeat 🔁 ship. commanderai.app is changing my way of doing things for the better.
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Marcin Krzyzanowski @krzyzanowskim.com · 16/01/2026
CommanderAI.app 👀 A powerful native macOS AI coding assistant with integrated git workflow built on Claude Code.
commanderai.app
Commander - Native Mac AI Coding Assistant | Claude Code Interface
A beautiful native macOS app for Claude Code. Build software with AI assistance, integrated git workflow, and seamless project management. Free for Mac developers.
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Marcin Krzyzanowski @krzyzanowskim.com · 11/01/2026
I have an Idea
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Marcin Krzyzanowski @krzyzanowskim.com · 05/01/2026
Today was my last day at MicrosoftCopilot.ai, and my last project was the rebrand of Microsoft Office → Microsoft 365 Copilot app that we launched today 🎉. It was honestly iconic, everything went perfectly, and literally everyone is getting promoted. Yaaas!
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Marcin Krzyzanowski @krzyzanowskim.com · 02/01/2026
Stop Fighting With IDEs, Start Coding. Build a game in 30 seconds. Ship it in 60 seconds. notepadexe.com 1.4.1647 www.youtube.com/watch?v=9SkK...
youtube.com
Build a game in 30 seconds. Ship it in 60 seconds.
YouTube video by Notepad exe
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