syntaxcircus 

RevenueCat backend integration: HMAC webhook signature verification, a strict-by-default webhook reader, and typed REST clients for subscriber verification, transaction reconciliation, product publishing, and... More information

An email-sending abstraction with a MailKit-based SMTP implementation (with retry), plus Null and in-memory implementations for dev/test.

Client-side RevenueCat helpers for MAUI apps: SDK initialization, identity sync on login, offering-to-DTO mapping, and a purchase/restore orchestrator built on Kebechet.Maui.RevenueCat.InAppBilling.

Optional styled, accessible UI controls for FancyBlazor: buttons, links, badges, cards, and a navbar.

SEO building blocks for Blazor Server marketing sites: a SeoHead component, typed Schema.org JSON-LD records, a canonical URL builder, and thin sitemap.xml/robots.txt wrappers over... More information

Secure auth token storage for MAUI apps: an injectable wrapper over ISecureStorage, and a session layer that splits sensitive tokens from non-sensitive metadata (Preferences) for fast synchronous expiry checks... More information

Consent-aware, configurable Umami, direct GA4, and Google Tag Manager bootstrapping for Blazor applications.

iOS-only StoreKit 2 native binding for MAUI apps: implements SyntaxCircus.Maui.Environments' IAppTransactionEnvironmentProvider via a small native Swift shim, since Apple's AppTransaction API is Swift-only and... More information

Runtime environment switching for MAUI apps that ship one binary across multiple backends (e.g. UAT/Production): a persisted environment selector with TTL-based default reversion, a switch coordinator that... More information

A cross-platform desktop credential vault: Windows Credential Manager, macOS Keychain, Linux secret-tool/libsecret (with an AES-256 encrypted-file fallback), and a factory that picks the right one for the... More information