Pleroma is written in Elixir, high-performance and can run on small devices like a Raspberry Pi.
-For clients it supports both the [GNU Social API with Qvitter extensions](https://twitter-api.readthedocs.io/en/latest/index.html) and the [Mastodon client API](https://docs.joinmastodon.org/api/guidelines/).
+For clients it supports the [Mastodon client API](https://docs.joinmastodon.org/api/guidelines/) with Pleroma extensions (see "Pleroma's APIs and Mastodon API extensions" section on <https://docs-develop.pleroma.social>).
- [Client Applications for Pleroma](https://docs-develop.pleroma.social/clients.html)
### Dependencies
-* Postgresql version 9.6 or newer
+* Postgresql version 9.6 or newer, including the contrib modules
* Elixir version 1.7 or newer. If your distribution only has an old version available, check [Elixir’s install page](https://elixir-lang.org/install.html) or use a tool like [asdf](https://github.com/asdf-vm/asdf).
* Build-essential tools
## Customization and contribution
-The [Pleroma Documentation](https://docs-develop.pleroma.social/readme.html) offers manuals and guides on how to further customize your instance to your liking and how you can contribute to the project.
+The [Pleroma Documentation](https://docs-develop.pleroma.social) offers manuals and guides on how to further customize your instance to your liking and how you can contribute to the project.
## Troubleshooting