# Beacon — latest > Reactive dependency graph runtime for Node.js. Dependencies are tracked at the signal level. When state changes, derived values and effects update automatically. ## Pages - [Introduction](/beacon/latest/introduction.md) - [Installation](/beacon/latest/installation.md) - [Quick Start](/beacon/latest/quick-start.md) - [State](/beacon/latest/state.md) - [Effects](/beacon/latest/effects.md) - [Derive](/beacon/latest/derive.md) - [Batch](/beacon/latest/batch.md) - [Overview](/beacon/latest/hooks-overview.md) - [API Reference](/beacon/latest/hooks-api.md) - [Catalog](/beacon/latest/hooks-catalog.md) - [Architecture](/beacon/latest/architecture.md) - [Debugging](/beacon/latest/debugging.md) - [Performance](/beacon/latest/performance.md) - [v1000.3.3 → v2000.0.0](/beacon/latest/migration.md) - [LLM Documentation](/beacon/latest/llms.md) - [Resources](/beacon/latest/links.md) ## Full documentation - [All pages merged](/beacon/latest/llms-full.txt)