- (optional, default) a [Synapse](https://github.com/matrix-org/synapse) homeserver - storing your data and managing your presence in the [Matrix](http://matrix.org/) network
- (optional, default) [PostgreSQL](https://www.postgresql.org/) database for Synapse. [Using an external PostgreSQL server](docs/configuring-playbook-external-postgres.md) is also possible.
- (optional, default) free [Let's Encrypt](https://letsencrypt.org/) SSL certificate, which secures the connection to the Synapse server and the Riot web UI
- (optional, default) an [Exim](https://www.exim.org/) mail server, through which all Matrix services send outgoing email (can be configured to relay through another SMTP server)
- (optional, default) an [nginx](http://nginx.org/) web server, listening on ports 80 and 443 - standing in front of all the other services. Using your own webserver [is possible](docs/configuring-playbook-own-webserver.md)
- (optional) the [mautrix-telegram](https://github.com/tulir/mautrix-telegram) bridge for bridging your Matrix server to [Telegram](https://telegram.org/)
- (optional) the [mautrix-whatsapp](https://github.com/tulir/mautrix-whatsapp) bridge for bridging your Matrix server to [Whatsapp](https://www.whatsapp.com/)
- (optional) the [mautrix-facebook](https://github.com/tulir/mautrix-facebook) bridge for bridging your Matrix server to [Facebook](https://facebook.com/)
- (optional) the [mautrix-hangouts](https://github.com/tulir/mautrix-hangouts) bridge for bridging your Matrix server to [Google Hangouts](https://en.wikipedia.org/wiki/Google_Hangouts)
- (optional) the [matrix-appservice-irc](https://github.com/TeDomum/matrix-appservice-irc) bridge for bridging your Matrix server to [IRC](https://wikipedia.org/wiki/Internet_Relay_Chat)
- (optional) the [matrix-appservice-discord](https://github.com/Half-Shot/matrix-appservice-discord) bridge for bridging your Matrix server to [Discord](https://discordapp.com/)
- (optional) the [matrix-appservice-slack](https://github.com/matrix-org/matrix-appservice-slack) bridge for bridging your Matrix server to [Slack](https://slack.com/)
- (optional) the [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) bridge for slack compatible webhooks ([ConcourseCI](https://concourse-ci.org/), [Slack](https://slack.com/) etc. pp.)
- this one **doesn't necessarily take over** ports 80 and 443. By default, it sets up nginx for you there, but you can also [use your own webserver](docs/configuring-playbook-own-webserver.md)
- this one **runs everything in Docker containers**, so it's likely more predictable and less fragile (see [Docker images used by this playbook](#docker-images-used-by-this-playbook))
- this one optionally can store the `media_store` content repository files on [Amazon S3](https://aws.amazon.com/s3/) (but defaults to storing files on the server's filesystem)
- [matrixdotorg/synapse](https://hub.docker.com/r/matrixdotorg/synapse/) - the official [Synapse](https://github.com/matrix-org/synapse) Matrix homeserver (optional)
- [instrumentisto/coturn](https://hub.docker.com/r/instrumentisto/coturn/) - the [Coturn](https://github.com/coturn/coturn) STUN/TURN server (optional)
- [ewoutp/goofys](https://hub.docker.com/r/ewoutp/goofys/) - the [Goofys](https://github.com/kahing/goofys) Amazon [S3](https://aws.amazon.com/s3/) file-system-mounting program (optional)
- [devture/email2matrix](https://hub.docker.com/r/devture/email2matrix/) - the [Email2Matrix](https://github.com/devture/email2matrix) email server, which can relay email messages to Matrix rooms (optional)
- [devture/matrix-corporal](https://hub.docker.com/r/devture/matrix-corporal/) - [Matrix Corporal](https://github.com/devture/matrix-corporal): reconciliator and gateway for a managed Matrix server (optional)
- [certbot/certbot](https://hub.docker.com/r/certbot/certbot/) - the [certbot](https://certbot.eff.org/) tool for obtaining SSL certificates from [Let's Encrypt](https://letsencrypt.org/) (optional)
- [tulir/mautrix-telegram](https://hub.docker.com/r/tulir/mautrix-telegram/) - the [mautrix-telegram](https://github.com/tulir/mautrix-telegram) bridge to [Telegram](https://telegram.org/) (optional)
- [tulir/mautrix-whatsapp](https://hub.docker.com/r/tulir/mautrix-whatsapp/) - the [mautrix-whatsapp](https://github.com/tulir/mautrix-whatsapp) bridge to [Whatsapp](https://www.whatsapp.com/) (optional)
- [tulir/mautrix-facebook](https://hub.docker.com/r/tulir/mautrix-facebook/) - the [mautrix-facebook](https://github.com/tulir/mautrix-facebook) bridge to [Facebook](https://facebook.com/) (optional)
- [tulir/mautrix-hangouts](https://hub.docker.com/r/tulir/mautrix-hangouts/) - the [mautrix-hangouts](https://github.com/tulir/mautrix-hangouts) bridge to [Google Hangouts](https://en.wikipedia.org/wiki/Google_Hangouts) (optional)
- [tedomum/matrix-appservice-irc](https://hub.docker.com/r/tedomum/matrix-appservice-irc/) - the [matrix-appservice-irc](https://github.com/TeDomum/matrix-appservice-irc) bridge to [IRC](https://wikipedia.org/wiki/Internet_Relay_Chat) (optional)
- [halfshot/matrix-appservice-discord](https://hub.docker.com/r/halfshot/matrix-appservice-discord) - the [matrix-appservice-discord](https://github.com/Half-Shot/matrix-appservice-discord) bridge to [Discord](https://discordapp.com/) (optional)
- [cadair/matrix-appservice-slack](https://hub.docker.com/r/cadair/matrix-appservice-slack) - the [matrix-appservice-slack](https://github.com/matrix-org/matrix-appservice-slack) bridge to [Slack](https://slack.com/) (optional)