The Angular 21 Developer Library.

Production-ready starters, cheat sheets, and guides — crafted by a veteran dev. Free resources to get you started. Unlock everything for $10.

4
SDK Starters
8
Cheat Sheets
12+
Guides & Configs
50+
Code Snippets

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Free Resources — open access, no login

Cheat Sheet

Signals API — Complete Reference

signal(), computed(), effect(), linkedSignal(), model() — every stable Signal API on one page with usage examples and gotchas.

signalsreactivityv21
Cheat Sheet

Zoneless Change Detection — Quick Guide

How zoneless works, what breaks when you remove zone.js, third-party library compatibility checklist, and the migration schematic commands.

zonelessperformancemigration
SDK Starter

Zoneless Standalone Starter

Production scaffold: standalone components, zoneless default, Vitest, Tailwind, environment configs, lazy routes, error handler. Just run ng serve.

starterzonelessvitesttailwind
SDK Starter

Signal Forms CRUD Starter

Full CRUD app with Signal Forms: nested form groups, schema-based validation, async validators, error display, form arrays, and API integration.

signal-formscrudvalidation
SDK Starter

SSR Hybrid Starter

Server-side rendering + client hydration with route-level rendering strategies. Pre-configured for SEO, Open Graph tags, and dynamic meta.

ssrseohydration
SDK Starter

Dashboard Admin Starter

Admin panel with sidebar navigation, auth guards, role-based access, data tables, charts integration, and responsive layout. Ready for your API.

dashboardauthadmin
Cheat Sheet

Signal Forms — Full API Reference

form(), validators, form arrays, nested groups, async validation, error handling — the entire experimental API mapped out with working examples.

signal-formsvalidationexperimental
Cheat Sheet

Angular Aria — Headless UI Components

All 8 UI patterns and 13 components: accordions, combo-boxes, tabs, menus. ARIA roles, keyboard interactions, focus management. You bring the CSS.

accessibilityariaheadless
Cheat Sheet

Vitest for Angular — Testing Reference

Setup, component testing, mocking services, async testing, snapshot tests, and the Karma → Vitest migration path. Side-by-side syntax comparison.

vitesttestingkarma
Migration Guide

Zone.js → Zoneless Migration

Step-by-step migration for existing apps. Third-party library audit checklist, before/after code samples, schematic commands, and rollback strategy.

migrationzonelessenterprise
AI Config

AI Tooling Pack — MCP, Cursor, Copilot

MCP server config, .cursorrules, Copilot instructions, and Claude project setup — all tuned to generate v21 code with Signals, not NgModules.

aimcpcursorcopilot
Snippet

JWT Auth Flow — Complete Implementation

Login/register components, JWT interceptor, auth guard, refresh token rotation, role-based route protection. Drop into any v21 project.

authjwtguards

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4 SDK starters, 8 cheat sheets, migration guides, AI configs, and every snippet — plus everything new that gets added.

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