# Add-ons

Connect your application to an add-on:

## Databases

{{< cards >}}
  {{< card link="/developers/doc/addons/materia-kv" title="Materia KV" subtitle="Serverless & distributed key-value database" icon="materia" tag="Beta" >}}
  {{< card link="/developers/doc/addons/mongodb" title="MongoDB" subtitle="The NoSQL document-oriented database" icon= "mongo">}}
  {{< card link="/developers/doc/addons/mysql" title="MySQL" icon="mysql" subtitle="Your managed relational database" >}}
  {{< card link="/developers/doc/addons/postgresql" title="PostgreSQL" icon="pg" subtitle="The not-only-SQL managed database" >}}
  {{< card link="/developers/doc/addons/elastic" title="Elastic Stack" subtitle="Deploy your Elastic Stack in one click" icon="elastic" >}}

  {{< card link="/developers/doc/addons/redis" title="Redis" subtitle="Managed key-value database" icon="redis" >}}
{{< /cards >}}

## Storage & Messaging

{{< cards >}}
  {{< card link="/developers/doc/addons/cellar" title="Cellar" subtitle="Object storage, compatible with S3 API" icon="cellar" >}}
  {{< card link="/developers/doc/addons/fs-bucket" title="FS Bucket" subtitle="Persistent external file system for your apps" icon="fsbucket" >}}
  {{< card link="/developers/doc/addons/pulsar" title="Pulsar" subtitle="Open source, distributed messaging and streaming platform built for the cloud" icon="pulsar" >}}
{{< /cards >}}

## Services & Tools

{{< cards >}}
  {{< card link="/developers/doc/addons/config-provider" title="Config Provider" subtitle="More freedom to manage, import and inject your configurations and credentials" icon="creds" >}}
  {{< card link="/developers/doc/addons/heptapod" title="Heptapod" subtitle="The friendly fork of GitLab Community Edition that adds support for Mercurial" icon="git" >}}
  {{< card link="/developers/doc/addons/jenkins" title="Jenkins" subtitle="The leading open source automation server" icon="jenkins" >}}
  {{< card link="/developers/doc/addons/keycloak" title="Keycloak" subtitle="Single sign-on with Identity and Access Management solution" icon="keycloak" >}}
  {{< card link="/developers/doc/addons/mailpace" title="Mailpace" subtitle="Fast and reliable transactional email" icon="mail" >}}
  {{< card link="/developers/doc/addons/matomo" title="Matomo" subtitle="A web analytics application as a service, the best Google Analytics alternative" icon="matomo" >}}
  {{< card link="/developers/doc/addons/metabase" title="Metabase" subtitle="An easy business intelligence tool to query and visualize data" icon="metabase" >}}
  {{< card link="/developers/doc/addons/otoroshi" title="Otoroshi with LLM" subtitle="Simple API management based on a modern reverse proxy with preconigured plugins" icon="endpoints" >}}
{{< /cards >}}