I couldn't run Microsoft's Threat Modeling Tool on my Mac, so I rebuilt it for the browser
My cybersecurity course teaches threat modelling with Microsoft's Threat Modeling Tool (TMT). You draw a data-flow diagram of a system, and TMT gene…
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I rebuilt my 28-year-old IRC network from scratch in Go and WebAssembly
In 1998 I opened an IRC network for Turkish chatters called Yudum.NET . It started on HybridIRC, moved to UnrealIRCd, and for more than two decades…
Building a Zero-Lag Client-Side Python Visualizer with Pyodide & WebAssembly
Understanding code execution, call stacks, and pointer mutations can be tricky—especially when debugging complex algorithms, recursion, or data stru…
How I Built 30 Privacy-First Dev Tools with Blazor WebAssembly (and Why Nothing Leaves Your Browser)
Every developer has done this at least once: you have a JWT from production, you need to see what's inside it, so you paste it into the first "JWT d…
Rust for Rust, JS for JS: introducing Ahoi
Why I built Ahoi When you want to manage data state in Rust/Wasm inside a web app, there have been two main options. Option 1: hand-roll the bridge…
636 Bytes: What Happens When You Stop Teaching RPA the Path
I sat in a room with a very large automation system and a very familiar problem: it had become fragile. The language came quickly. DOM. Timestamps.…
I got tired of paywalls and forced signups for basic file tools, so I built BrowsersKit (100% client-side Wasm utilities)
Hello everyone! I hate limits and having to purchase a subscription or need to register a new account on site! I am sitting in a chair and my team l…
ShowDev: I built a bulk HTML-to-Markdown converter that runs entirely in the browser
Most HTML-to-Markdown tools handle one file at a time. You paste some HTML, get Markdown back, repeat. That works for a quick snippet but not when y…
Tired of JS for simple UI in Ruby?
Meet web_ruby_ui — write reactive client-side SPAs using 100% pure Ruby via WebAssembly. Features state management & VDOM diffing. Give it a try…
Why I built a zero-upload, local-first browser video compressor (and why you should stop uploading your MP4s to remote servers)
As content creators, video editors, and developers, we compress files almost every single day. Whether you're exporting a 4K draft for a client, try…
Reviving a 20-year-old BASIC — and getting it to run in the browser
First, go press a button Before the story, the thing itself. Open this in a browser tab: 👉 https://uglymike17.github.io/basic256/ That's the full BA…
Building a real-time browser MMORPG with Three.js, Rust/Wasm, and Durable Objects
Realm of Echoes is a real-time 3D fantasy MMORPG that runs in a normal desktop browser tab. Players can choose a Warrior or Mage and enter as a gues…
What We Learned Building Browser-Based Image, PDF and AI Tools with WebAssembly
A lot of small media tasks still feel heavier than they should. Resize an image. Compress a PDF. Extract text from a scanned document. Blur a licens…
I built a private, 100% in-browser JPEG XL converter (no upload, no server)
If you've ever downloaded a .jxl file and watched your browser shrug at it, you've met the JPEG XL problem: it's a genuinely great image format that…
BoxAgnts Tool System (6) — Multi-Provider Adaptation and the Agent Query Loop
BoxAgnts' tool system, from the bottom-level WASM sandbox to the top-level Tool trait, has solved "how tools run safely." But tools ultimately need…
BoxAgnts Tool System (1) — Design Motivation & Architecture Overview
The AI Agent framework landscape has reached a state one could fairly describe as oversaturated. The Python ecosystem has LangChain, CrewAI, and Aut…
BoxAgnts Runtime (7) — Sandboxed Execution, Rebuilding Agent Infrastructure
The AI industry is moving fast. Every week brings a new agent framework, coding assistant, autonomous workflow engine, or multi-agent platform. Most…
BoxAgnts Runtime (6) — Rust + WASM, Local-First
Over the past decade, software infrastructure has moved decisively toward cloud-native architectures. AI agents followed the same path—cloud-hosted…
Building a 100% Client-Side HEIC to JPG Converter: Zero Servers, Zero Uploads
Every time I Airdrop photos from my iPhone to my Windows machine, I run into the same annoying problem: .heic files. They don’t open natively on mos…
Building a High-Performance Local Chess Assistant Extension with WebAssembly Stockfish and Manifest V3
Hey everyone! 👋 I wanted to share a project I’ve been working on recently: Knight - Chess Helper. It’s an advanced browser extension designed to ass…
Introducing Zopa: a 60 KB authorization engine for proxy-wasm, written in Zig
There are plenty of times you want to delegate "let this request through, or block it" to a wasm filter inside Envoy. API gateways, service mesh bou…
React to Rust, no try/catch
I built three libraries independently. When I put them in the same project, the boundaries between them disappeared. This is what was left. The path…