Pagkugi

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Zero and Pagkugi

Self-hosted, AI-first webmail.

At a glance

A unified inbox, AI agents, multi-provider connections, and a large open-source community.

Where Pagkugi differs. A server application with a database, where Pagkugi is a local Maildir client.

Status
Active; release cadence cautious
License
MIT
Platforms
Browser, self-hosted
Storage
Server-side PostgreSQL, with production storage in durable objects and object storage.
Website
https://0.email/
Source
https://github.com/Mail-0/Zero

Where Zero is better

  • Self-hosted web access from anywhere.
  • AI agents and assistants in the mail surface.
  • A large community and a modern web stack.

Storage and ownership

Where the mail actually lives, and whether it survives the client.

Feature Pagkugi Zero
Open local storage Yes No
Maildir as the live store Yes No
Works offline Yes No

Accounts and protocols

The servers and providers the client can talk to.

Feature Pagkugi Zero
IMAP and SMTP Yes Limited Provider integrations rather than a generic IMAP desktop core.
POP3 No Not in the first release. No
Gmail account No Provider-specific account model is not supported. Yes
Microsoft / Exchange No Exchange-specific account model is not supported. Yes
JMAP No No

Reading

How a message is presented, and what happens to HTML.

Feature Pagkugi Zero
In-app HTML rendering No Mail is converted to text instead. Yes
HTML converted to text Yes No
Conversation threading Yes Yes
Calendar invitations Limited A focused read-only viewer, not a calendar application. Limited

Writing and organizing

Composition, search, and the tools that shape a mailbox.

Feature Pagkugi Zero
Rich or HTML composition No Composes text/plain; Markdown composition is not released. Yes
Snooze or send later No Limited
Full-text search Yes Yes
Custom incoming filters No The local filter engine is implemented but switched off. Yes
Tags or labels No Read state only; no general labels or tags. Yes
Mailing-list actions Yes No
Command palette or keyboard-first No Actions live in explicit context menus. Limited
Open-thread work view Yes No

Security and privacy

Encryption, sender checks, and what leaves the machine.

Feature Pagkugi Zero
PGP / S/MIME No Not built in. No
Phishing or sender checks Yes Limited
Remote content blocked Yes Yes
Built-in AI features No No assistant, by design. Yes

Platform and business

Where it runs, how it extends, and how it is sold.

Feature Pagkugi Zero
Graphical desktop app Yes No
Terminal interface No No
Mobile app No Limited Responsive web.
Web or self-hosted No Yes
Calendar, contacts, or groupware No Limited
Plugin or extension system No No
Open source No Proprietary commercial software. Yes
No account with its maker Yes No A self-hosted account is required.

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