> ## Documentation Index > Fetch the complete documentation index at: https://docs.powersync.com/llms.txt > Use this file to discover all available pages before exploring further. # PowerSync Docs PowerSync is a sync engine that keeps backend databases in sync with client-side embedded SQLite databases. It lets you avoid the complexities of using APIs to move app state [over the network](https://www.powersync.com/blog/escaping-the-network-tarpit), and enables real-time reactive local-first & offline-first apps that remain available even when network connectivity is poor or non-existent. ## Ready to Get Started? Get up and running with implementing PowerSync in your project. The fastest way to get a feel for PowerSync is to try one of our demos. Learn about PowerSync's philosophy, key concepts and architecture. Step-by-step guide to migrate from Atlas Device Sync to PowerSync. ## Supported Backend Source Databases PowerSync is designed to be backend database agnostic, and supports these source databases: ## Supported Client SDKs PowerSync is also designed to be client-side stack agnostic, and currently has client SDKs available for: Looking for an SDK that's not listed above? Upvote it or submit it on [our roadmap](https://roadmap.powersync.com/). ## Need Help? Can't find what you are looking for in these docs? Try **Ask AI** on this site which is trained on all our documentation, repositories and Discord discussions. Also join us on [our community Discord server](https://discord.gg/powersync) where you can browse topics from the PowerSync community and chat with our team.