# PocketSync > PocketSync is a Flutter SDK and web console for building offline-first applications without the hassle of building a custom backend. ## Docs - [Custom Conflict Resolution](https://docs.pocketsync.dev/advanced/custom-conflict-resolution.md): Custom Conflict Resolution for PocketSync - [Offline capabilities](https://docs.pocketsync.dev/advanced/offline-capabilities.md): Strategies and best practices for building offline-first applications with PocketSync - [Security](https://docs.pocketsync.dev/advanced/security.md): Security for PocketSync - [Conflict resolution](https://docs.pocketsync.dev/core-concepts/conflict-resolution.md): How PocketSync handles conflicts - [How it works](https://docs.pocketsync.dev/core-concepts/how-it-works.md): Brief overview of how PocketSync works - [Customer Showcase](https://docs.pocketsync.dev/customers/customer-showcase.md): See how PocketSync is being used by real-world applications - [PocketSyncDatabase](https://docs.pocketsync.dev/database/pocket-sync-database.md): PocketSyncDatabase is a wrapper around SQLite database that provides a simple and efficient way to store and sync data across devices. - [Database Schema](https://docs.pocketsync.dev/database/schema.md): Define and manage your database schema using PocketSync's schema classes - [Usage](https://docs.pocketsync.dev/database/usage.md): Guides for using PocketSyncDatabase - [Introduction](https://docs.pocketsync.dev/introduction.md): PocketSync is a lightweight sync engine designed to enable seamless data synchronization across devices without maintaining your own backend infrastructure. - [Quickstart](https://docs.pocketsync.dev/quickstart.md): Get started with PocketSync in your Flutter application - [Configuration](https://docs.pocketsync.dev/sdk/configuration.md): Configuration options for PocketSync - [Methods](https://docs.pocketsync.dev/sdk/methods.md): Methods for PocketSync - [Troubleshooting](https://docs.pocketsync.dev/troubleshooting.md): Common issues, error codes, and solutions for PocketSync ## Optional - [Flutter SDK](https://pub.dev/packages/pocketsync_flutter) - [Web console](https://pocketsync.dev) - [Technical documentation](https://deepwiki.com/pocketsync/pocketsync_flutter)