Self-hosted apps that integrate with SMTP relay

3 open-source, self-hostable projects list SMTP relay as an integration.

• AzimuttOpen-source, self-hosted database explorer and Next-Gen ERD: design schemas with AML, document tables and columns, browse data and lint large, messy databases.
• OpenAnalyticsOpen-source, cookieless web analytics with realtime dashboards, funnels and revenue attribution, self-hosted via Docker Compose on Postgres and ClickHouse.
• alteroaltero is a self-hosted, open-source Zotero sync server implementing the Web API v3 for libraries, groups, notes, attachments, and full-text search.