Express middleware that merges identical concurrent requests into a single DB call — preventing cache stampedes and thundering herds with zero configuration.

Email sending library for Node.js built on top of Nodemailer and designed with Clean Architecture principles. It provides an abstraction layer over the email service, support for templates, attachment handling, and a simple API to send emails, making it easier to add email features to backend applications.

JWT plugin for @jmlq/auth built on top of the jose library. It implements the token service port defined by the auth core and provides features to sign, verify, and manage JWT tokens. This plugin keeps the authentication core independent from a specific JWT implementation.

Authentication core library for Node.js designed with Clean Architecture principles. It provides use cases for user registration, login, token refresh, password changes, and session management. The core has no direct dependencies on JWT or hashing libraries and supports different implementations through plugins.

Task scheduling library for Node.js built on top of the cron library and designed with Clean Architecture principles. It provides an abstraction over the scheduler, a simple API to create cron expressions, job management features, and mechanisms to avoid concurrent executions in backend applications.