Copyright © 2026 Vib Tools and MailStack contributors.
MailStack source code is licensed under the GNU Affero General Public License version 3 or later (AGPL-3.0-or-later). The complete, unmodified license text is provided in LICENSE.
Third-party software remains subject to its own license terms. See mailbox-app/LICENSES.md and docs/DEPENDENCY_REVIEW.md for the maintained dependency inventory.
- Project: MailStack
- Publisher: Vib Tools
- Canonical source repository: https://github.com/vibtools/MailStack
- Company website: https://vib.tools/
- Open-source hub: https://dev.vib.tools/
The AGPL licenses the software source code. It does not automatically grant rights to use the MailStack or Vib Tools names, logos, visual identity, or trade dress in a way that implies sponsorship, endorsement, or official status.
Forks may accurately describe their origin and must retain required legal notices, but modified distributions should use clearly distinguishable branding unless written permission authorizes official branding use.
See docs/BRANDING.md.