ArchMentor
Education for software architects
ArchMentor launched on January 27, 2026.
What it does
Learn software architecture with comprehensive guides, articles, and interactive tests. Master architectural patterns and best practices.
Learn domain-driven design (DDD), domain modeling, and software architecture with guides, articles, and interactive tests. Master DDD, bounded contexts, strategic design, and clean architecture.
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I published a book to save you from my software architecture mistakes2024 · leanpub.com · ▲100Hey HN, I just wanted to share that after five months of intense work and countless caffeine-fueled writing sessions, "Master Software Architecture: A Pragmatic Guide" is now available. Writing this book was a crazy time. I entirely focused on it, and it took exactly 753 hours of writing, editing, and image editing & resizing(!) until the premiere. Yes, the last one (images) was a killer. If you ever think about writing a book, reserve a lot of time for it unless someone else does it for you. As a result, I am handing you the nearly 400-page book. It is a guide that will help you connect all…
The Developer Manifesto2017 · git-tower.com · ▲125A tribute to the art and profession of software development.
Codementor Live Classes2015 · codementor.io · ▲109Learn to code with a live mentor, not with video tutorials
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A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 4d ago · permit.petercai.com
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Life & fun · 17d ago · tanzaniaeducationproject.org
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 18d ago · bigwords.page
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 11d ago · guitoro.com
Steal My Bitcoin▲435A PHP security challenge. Find the hidden bitcoin key. First person to get the wallet wins.
Life & fun · 8h ago · stealmybitcoin.com
Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 15d ago · carrierexplode.com
Source: Product Hunt launch ↗
Launched alongside, January 2026
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Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc
AI · Jan 2026 · cannoneyed.com
Automatic AI-powered code reviews the moment you open a PR
Dev tools · Jan 2026 · kilo.ai
