# External integrations

- [Mailer](/intercode-saas-kit/external-integrations/mailer.md): Here you will learn how our mail service built.
- [Google oAuth2](/intercode-saas-kit/external-integrations/google-oauth2.md): Here you can read how to set up Google Services
- [Facebook oAuth2](/intercode-saas-kit/external-integrations/facebook-oauth2.md): This page explains how to setup Facebook OAuth
- [S3 compatible storage (AWS, MinIO)](/intercode-saas-kit/external-integrations/s3-compatible-storage-aws-minio.md): Here you can read how to set up AWS