Pagkugi

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Alps and Pagkugi

Simple, extensible self-hosted webmail on top of IMAP.

At a glance

Simple webmail, plugins, WebAuthn/2FA, CardDAV/CalDAV, and a single Go binary.

Where Pagkugi differs. Server-side webmail, not a local Maildir client.

Status
Active
License
MIT
Platforms
Browser, self-hosted
Storage
Live IMAP; METADATA for settings.
Website
https://github.com/crnst8/alps
Source
https://github.com/crnst8/alps

Where Alps is better

  • A single-binary self-hosted webmail.
  • WebAuthn and 2FA.
  • CardDAV/CalDAV and plugins.

Storage and ownership

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

Feature Pagkugi Alps
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 Alps
IMAP and SMTP Yes Yes
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. Limited
JMAP No No

Reading

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

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

Writing and organizing

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

Feature Pagkugi Alps
Rich or HTML composition No Composes text/plain; Markdown composition is not released. Yes
Snooze or send later No No
Full-text search Yes Yes
Custom incoming filters No The local filter engine is implemented but switched off. Limited
Tags or labels No Read state only; no general labels or tags. Limited
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 Alps
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. No

Platform and business

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

Feature Pagkugi Alps
Graphical desktop app Yes No
Terminal interface No No
Mobile app No No
Web or self-hosted No Yes
Calendar, contacts, or groupware No Limited CardDAV and CalDAV.
Plugin or extension system No Yes
Open source No Proprietary commercial software. Yes
No account with its maker Yes No

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