# Welcome to Onion Mobile Devs!
Tor, a [free and open-source software](https://guide.onionmobile.dev/the-history-of-tor) for enabling anonymous communication, routes Internet traffic through a worldwide, volunteer overlay network, consisting of thousands of relays, to conceal a user's location and usage from network surveillance or traffic analysis. By integrating [Tor into your mobile app](https://guide.onionmobile.dev/mobile-concepts/mobile-apps-with-tor), you provide your users with the ability to [maintain privacy and evade censorship](https://guide.onionmobile.dev/the-tor-protocol).
By the end of this guide, you will have a thorough understanding of how to [integrate Tor into a mobile application](https://guide.onionmobile.dev/mobile-concepts/all-the-ways-to-tor), aligning with the best practices of open-source development and contributing to the broader goal of [promoting online privacy and freedom](https://guide.onionmobile.dev/the-history-of-tor).
Classic Orbot user interface.... the original Tor on Mobile app!
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