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Open source

Open-source licences

Shwastik Mail is built on open-source software. We are grateful to the people who make it, and we share our changes as the licences require.

Copyleft components (AGPL-3.0)

The following components are licensed under the GNU Affero General Public License, version 3 and have been modified by us. Because you interact with them over a network, you are entitled to receive their complete corresponding source code, including our modifications, free of charge.

ComponentLicenceOur changes
Mail server engineAGPL-3.0Product name and protocol greetings
Webmail clientAGPL-3.0Product name, logos, sign-in defaults, sender avatars and settings menu

Getting the source code

Email legal@shwastik.com and we will send you a link to the complete corresponding source, including build scripts and patches, free of charge.

Other open-source software

Used under permissive licences.

  • Next.jsMIT
  • ReactMIT
  • Tailwind CSSMIT
  • TanStack QueryMIT
  • React Hook FormMIT
  • ZodMIT
  • Lucide iconsISC
  • Inter typefaceSIL Open Font License 1.1
  • FastAPIMIT
  • SQLAlchemyMIT
  • PydanticMIT
  • PostgreSQLPostgreSQL License