Highlights
Personal stories I keep coming back to.
Latest posts
Notes from the workshop floor.
Beamer Explained: Open-Source Software KVM for Mac, Windows & Linux
How Beamer unifies Mac, Windows, and Linux under one keyboard and mouse using an encrypted peer-to-peer wire protocol without external servers or cloud latency.
Cloudflare Security Audit Skill: The Adversarial AI Vulnerability Harness
Deep dive into Cloudflare's security-audit-skill: how isolated multi-agent harnesses eliminate LLM hallucination and automate fleet-wide vulnerability discovery.
Coding Interview University Explained: The Self-Taught CS Degree
Deconstructing John Washam's Coding Interview University: a self-taught CS degree, battle-tested algorithm roadmap, and FAANG interview blueprint.
HyperFrames Explained: Write HTML. Render Video. Built for Agents
How HeyGen's HyperFrames turns standard HTML, CSS, and seekable animations into deterministic MP4 videos, giving AI coding agents full programmatic video control.
TencentDB Agent Memory: Does the 4-Tier Memory Pyramid Kill Vector DBs?
Deconstructing TencentDB Agent Memory: L0-L3 semantic hierarchy, hybrid BM25 and sqlite-vec retrieval, and the reality behind the viral vector DB claims.
ArtCraft Explained: The Open-Source 3D Staging IDE for AI Filmmakers
Explore ArtCraft, the open-source Rust and Tauri IDE turning blind AI prompting into precise visual crafting with 3D scene staging, mannequins, and 62 models.
Context Mode Explained: 98% Context Window Compression for AI Coding Agents
Discover Context Mode, the MCP virtualization engine compressing agent tool dumps by 98% with SQLite FTS5 session memory and code-first execution.
God's Eye View Explained: Open Source 3D Geospatial Intelligence in Your Browser
Explore God's Eye View, the open-source 3D spatial intelligence simulator fusing live ADS-B, maritime AIS, satellite orbits, and local SDR feeds in WebGL.
System Design Primer Explained: The Architecture Bible for Scaling Systems
Deconstructing Donne Martin's System Design Primer: the architectural blueprint for distributed systems, core trade-offs, and scaling to millions of users.
From the HoangYell galaxy
Sister projects I quietly maintain.Gallery
The friendly Astro image gallery - lightbox, pyramid layout, dark mode.
gallery.hoangyell.com
Yellorn
One browser tab for dirty data and webhook debugging - JSON, XML, YAML, CSV, mock APIs.
yellorn.com
Markdy
Animated architecture & system diagrams as code - 17 layout engines, Well-Architected linter, and browser-native motion.
markdy.com
Yell Chat
Casual AI chat playground I built to test ideas - yes, it talks back.
chat.hoangyell.com