// Built in public by DEVECTUS

Every inbox.
The right sender.
Your final say.

One secure workspace for Gmail, Google Workspace, Outlook.com, and Microsoft 365. Nothing sends until the sender, recipients, subject, and attachments are explicitly confirmed.

Sign in to manage accountsInstall for Codex or Claude
01

On demand

Messages are fetched when requested. Mailboxes are not synchronized or indexed.

02

Deliberate sending

Drafts stay with the email provider and require an exact confirmation before send.

03

Minimal retention

Only encrypted OAuth tokens and account preferences are stored by this service.

// Built in the open

Public code.
Human stakes.

Trust should be inspectable. SenderDeck is open source under the MIT License, so people can examine how it handles identity, consent, and email—not just take our word for it.

Explore the open-source code
01

Earn trust in public

Security boundaries, data handling, and every release are open to scrutiny.

02

Safety is product work

Explicit sender identities, minimal retention, and human confirmation are core features.

03

Useful beats heroic

We contribute focused work, honest constraints, and a few late nights to make human–AI collaboration safer.