Last updated: April 2026
Switchboard runs on top of several open-source projects. This page lists their licenses and links to their source code so customers can audit, patch, or replace any underlying component as their license permits. Switchboard’s own application code remains source-available; commercial license terms are detailed in our MSA.
Switchboard’s email broadcast feature embeds Listmonk (AGPLv3) inside an iframe. We run Listmonk unmodified from the upstream container image (no source modifications). To request the exact source for the version you interact with, see the GitHub repository above. Per AGPLv3, customers who interact with Listmonk through Switchboard are entitled to corresponding source.
| Project | License | Source | Notes |
|---|---|---|---|
| Chatwoot (community edition) | MIT | View source → | Embedded unmodified via iframe. |
| Dify | Apache 2.0 (with commercial-use restrictions for hosted-as-a-service) | View source → | Used as a backend workflow engine; not exposed directly to end users. |
| Listmonk | AGPLv3 | View source → | Embedded unmodified upstream via iframe. To request the source code of the exact version we run, see the GitHub link. |
| Mautic | GPL-3 | View source → | Embedded unmodified upstream via iframe; no LOGO clause (unlike Dify). GPL-3 obligates source disclosure only when binaries are distributed — running unmodified upstream as a hosted iframe carries no source-disclosure burden, but we link the canonical repo for transparency. |
| PostgreSQL | PostgreSQL License | View source → | |
| Redis | RSAL / SSPL (Redis 7.4+) | View source → | |
| nginx | BSD-2-Clause | View source → | |
| FastAPI | MIT | View source → | |
| Next.js | MIT | View source → |
Questions or source requests: legal@switchboard.ai. See also our Sub-processors page for hosted services.