# Zero


> Zero is a new kind of sync engine powered by queries.


## Documentation

- [Quickstart](https://zero.rocicorp.dev/docs/raw/quickstart)
- [Samples](https://zero.rocicorp.dev/docs/raw/samples)
- [What is Sync?](https://zero.rocicorp.dev/docs/raw/sync): A Slightly Opinionated Tour of the Space
- [When to Use](https://zero.rocicorp.dev/docs/raw/when-to-use): And When Not To – A Quick Guide
- [Status](https://zero.rocicorp.dev/docs/raw/status)
- [Schema](https://zero.rocicorp.dev/docs/raw/schema)
- [Authentication](https://zero.rocicorp.dev/docs/raw/auth)
- [Reading Data](https://zero.rocicorp.dev/docs/raw/queries): Reading and Syncing Data
- [Writing Data](https://zero.rocicorp.dev/docs/raw/mutators): Writing Data
- [ZQL Reference](https://zero.rocicorp.dev/docs/raw/zql): Zero Query Language
- [ZQL on the Server](https://zero.rocicorp.dev/docs/raw/server-zql)
- [Connection Status](https://zero.rocicorp.dev/docs/raw/connection)
- [Provider Support](https://zero.rocicorp.dev/docs/raw/connecting-to-postgres)
- [Feature Compatibility](https://zero.rocicorp.dev/docs/raw/postgres-support)
- [React](https://zero.rocicorp.dev/docs/raw/react)
- [SolidJS](https://zero.rocicorp.dev/docs/raw/solidjs)
- [React Native](https://zero.rocicorp.dev/docs/raw/react-native)
- [Community](https://zero.rocicorp.dev/docs/raw/community)
- [Hosting](https://zero.rocicorp.dev/docs/raw/deployment)
- [Configuration](https://zero.rocicorp.dev/docs/raw/zero-cache-config)
- [Inspector](https://zero.rocicorp.dev/docs/raw/debug/inspector)
- [Slow Queries](https://zero.rocicorp.dev/docs/raw/debug/slow-queries)
- [Replication](https://zero.rocicorp.dev/docs/raw/debug/replication)
- [Query ASTs](https://zero.rocicorp.dev/docs/raw/debug/query-asts)
- [OpenTelemetry](https://zero.rocicorp.dev/docs/raw/debug/otel)
- [zero-out](https://zero.rocicorp.dev/docs/raw/debug/zero-out)
- [Ad-Hoc Queries](https://zero.rocicorp.dev/docs/raw/deprecated/ad-hoc-queries)
- [CRUD Mutators](https://zero.rocicorp.dev/docs/raw/deprecated/crud-mutators)
- [RLS Permissions](https://zero.rocicorp.dev/docs/raw/deprecated/rls-permissions)
- [Release Notes](https://zero.rocicorp.dev/docs/raw/release-notes)
- [Reporting Bugs](https://zero.rocicorp.dev/docs/raw/reporting-bugs)
- [Open Source](https://zero.rocicorp.dev/docs/raw/open-source)
- [LLMs](https://zero.rocicorp.dev/docs/raw/llms)