Licensing

NGX View Builder is in public beta — licenses aren't for sale yet. See Pricing for current status. Everything below describes the license model you'll buy into at launch.

Is this open source?

No. NGX View Builder is commercial software, not open source (not MIT, Apache, GPL, or any OSI-approved license). The npm package ships readable, unminified TypeScript output — you can read it the way you'd read any installed dependency — but that readability grants no open-source rights. There's no license to fork, redistribute, or build a competing product from it.

If you've used other commercial component libraries (Syncfusion, DevExpress, AG Grid Enterprise, Kendo UI), the model will feel familiar: install from the public npm registry, evaluate for free with a watermark, unlock full use with a paid key. It sits closer to what's sometimes called "source-available" than to open source.

Attempting to remove, disable, or circumvent the license check — the watermark, the signature validation, or the server check — is a breach of the license agreement, regardless of how it's done (patching the package, monkey-patching at runtime, stripping the check at build time, etc.). See Restrictions below.

Supplying the key

Pass the license key through runtimeSettings:

readonly builderSettings: INgxViewBuilderBuilderSettings = {
  licenseKey: 'NVB-eyJjdXN0b21lcklkIjo...',
};

<ngx-view-builder-builder [runtimeSettings]="builderSettings" ... />

How validation works

1. Local check — the key embeds customerId, plan, and expiresAt; version coverage is checked immediately (see below).
2. Offline signature check — keys are ECDSA P-256 signed; the builder verifies the signature against an embedded public key (WebCrypto). Tampered or self-made keys are treated as invalid. No network required.
3. Server check — the builder additionally calls the official license service (fixed, non-configurable URL) with { key, domain }. The result is cached in localStorage for 7 days; network failures fall back silently to the local checks, so air-gapped environments keep working. A revoked key always shows the watermark.

Version coverage (perpetual fallback)

Every published build embeds its release date. A license covers all versions released before its expiresAt — permanently:

• While the license is active, every update is covered.
• After the license expires, the versions you already use keep working forever, without a watermark.
• Versions released after the license expired run in degraded mode (watermark) until the license is renewed — so installing the latest package from npm without an active license does not grant access to new features.

What users see

State	UI
Valid for this version	Nothing
No key supplied	A diagonal “NO LICENSE” watermark across the builder canvas + a banner
Version not covered (released after license expiry)	The canvas watermark + a banner + a reminder modal (at most once per 24 h)
Invalid / tampered / unparseable / revoked	The canvas watermark + an invalid-license banner + modal (at most once per 24 h)

The runtime never shows any license UI — rendering views in production is unaffected; license messaging is builder-facing only.

License terms

NGX View Builder is commercial software, distributed under the NGX View Builder Commercial License Agreement — the full text ships as LICENSE.md inside every published npm package (also shown on the npm package page). In short: a paid key covers all versions released during your license term perpetually; client work is included and either side can hold the license — an agency's key covers the applications it builds for its clients, or the end customer buys the key and it covers contractors developing their application (operating a delivered application never needs a key); evaluation without a key is free but watermarked; redistributing the library on its own or circumventing license enforcement is prohibited. The open-source dependencies the package installs (CodeMirror, Jexl, Prettier, Lodash — MIT; tslib — 0BSD) keep their own licenses.

Notes

• Keep the key out of client repositories where possible — inject it from environment configuration.
• The domain sent to the validation server is window.location.hostname; issue keys per environment if you validate domains.

Licensing questions: support@ngxviewbuilder.io.