Trench — Open-Source Analytics Infrastructure. A single production-ready Docker image built on ClickHouse, Kafka, and Node.js for tracking events. Easily build product analytics dashboards, LLM RAGs, observability platforms, or any other analytics product.

Simple application to track events from multiple sites using two storage options: Local JSON file or MySQL database. Supports event logging, filters, download logs and analytics pages.

TypeScript reactive library for Google Tag Manager with configurable priority system, RxJS, and automatic duplicate prevention in Frontend and SSR environments.