The Library.

Every resource organized by what you need. Filter by tier, search by topic, find your path.

Learn & Build
— $10 Starter Toolkit
Interactive tools to learn Angular 21's new features and start shipping. Open in your browser, works offline.
📋$10 STARTER

Complete Cheat Sheet

50 copy-paste snippets across 10 categories. Signals, Forms, Routing, RxJS, Testing, Performance, SSR.

Angular21-CheatSheet.html
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$10 STARTER

SDK Reference

Interactive code explorer. Deep-dive into Signals, Signal Forms, Component Patterns, and RxJS interop.

Angular21-SDK-Engineer-1.html
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🥋$10 STARTER

Flashcard Trainer

Quiz yourself on every Angular 21 concept. Flip cards, track score, identify knowledge gaps.

ng21-dojo.html
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🔨$10 STARTER

Project Scaffolder

Pick features, generate production-ready project configs. Standalone, zoneless, Vitest, Tailwind.

ng21-forge.html
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🔄$10 STARTER

Migration Assistant

Step-by-step paths: Zone→Zoneless, Reactive Forms→Signal Forms, Karma→Vitest.

ng21-migrate.html
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📄$10 STARTER

6 Cheat Sheets (MD)

Signals API, Zoneless, Signal Forms, Angular Aria, Vitest, Control Flow. Pin on your second monitor.

cheat-sheets/*.md
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Architect
— $49 Pro (includes Starter)
Senior-level architecture patterns, headless components, and production reference implementations.
🏛️$49 PRO

Architecture Reference

4-layer architecture: Domain → State → Headless → Skin. Editorial design with code examples for every layer.

ng21-architect.html
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💻$49 PRO

Live IDE Demo

3-panel application with 5 working demos, real-time signal graph inspector, event log, keyboard nav.

ng21-architect-demo.html
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🎯$49 PRO

Headless Component Patterns

Combobox, Toggle, Form, Data Table — all with Angular Aria, keyboard nav, ARIA attributes, zero CSS opinions.

patterns/headless/
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🔗$49 PRO

Signal Composition Playbook

How signal(), computed(), effect(), linkedSignal(), and resource() work together as a reactive graph.

patterns/signals/
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📐$49 PRO

Boilerplate Templates

Landing page + Admin dashboard boilerplates built on the CozyDevKit theme system. Ready to customize.

templates/
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$49 PRO

Zoneless Deep-Dive

Complete guide to zoneless change detection. What triggers CD, what doesn't, and how to fix third-party libraries.

guides/zoneless-deep-dive.md
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Free Resources
— no purchase required
Learn why Angular 21 matters and explore demos before you buy anything.
⚠️FREE

The Angular 21 Shift

What died, what replaced it, and why your codebase needs to migrate. Before/after code comparisons and deprecation timeline.

Read →
🏛️FREE PREVIEW

Architecture Preview

Explore the 4-layer headless architecture with signal composition — free preview of the Pro content.

Explore →
🎬FREE

Promo Videos

Cinematic product showcase. Square (1080×1080) and widescreen (1920×1080) formats.

Watch →
Coming Soon
— in development
Interactive learning tools being built and tested. Will be released as free resources.
🔄COMING SOON

Code Evolution

Watch Angular 21 patterns evolve across 4 skill levels: Normal → Professional → Elite → Guru.

Preview →
📦COMING SOON

CRUD Evolution

Complete CRUD app patterns at 4 skill levels. Models, services, components, routing — basic to architect.

Preview →
COMING SOON

Control Flow Mastery

@if, @for, @switch, @defer — every trigger, every pattern, every migration from *ngIf/*ngFor.

Preview →