# Soapbox > Soapbox is a versatile client compatible with the Mastodon API and can be used with various backends like Mastodon, Pleroma, and custom backends. It serves as a primary frontend or an external client via OAuth, offering a customizable and scalable user experience. Soapbox is often deployed alongside projects like Ditto and Mostr to facilitate communication across diverse social media networks, including Nostr and ActivityPub. ## Ditto Ditto documentation has moved to [about.ditto.pub](https://about.ditto.pub). See the [self-hosting guide](https://about.ditto.pub/guides/self-hosting) for installation. ## Soapbox - **Installation**: Can be installed over Mastodon or Pleroma, and configured for subdomain use. - **Customization**: Supports custom branding and configurations directly within Soapbox or via JSON. - **Development**: Provides a development guide for running locally and customizing builds. - **Deploying at Scale**: Guidance on deploying Soapbox with load balancers and caching considerations. ## Mostr - **Mostr Bridge**: Connects ActivityPub and Nostr networks for bidirectional communication. - Supports Mastodon, Pleroma, and Misskey, with future support for more platforms. - [Troubleshooting Guide](https://gitlab.com/soapbox-pub/mostr/-/issues) available for addressing issues. ## Documentation - **Troubleshooting Guides**: Available for Mostr to assist in common issues. - **Translations**: Support for Weblate-managed translations for Soapbox. - **Contributing**: Guidelines for contributing to the Soapbox project are provided. ## Key Links - [Ditto Documentation](https://about.ditto.pub) - [Soapbox Source Code](https://gitlab.com/soapbox-pub) - [Mostr](https://mostr.pub)