Pagkugi

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Skim and Pagkugi

Small Windows client with a Rust core and a system WebView2 UI.

At a glance

A small installer, fast startup, sanitized HTML, an offline action queue, a command palette, and bring-your-own-key AI.

Where Pagkugi differs. Windows-only and deliberately small, where Pagkugi is cross-platform, Maildir-based, and plain-text-first.

Status
Active
License
MIT
Platforms
Windows 10 and 11
Storage
A local SQLite cache over IMAP, with an offline action queue.
Website
https://skim-tech.com/
Source
https://github.com/nikserg/skim

Where Skim is better

  • A tiny installer, fast startup, and modest memory use.
  • Sanitized HTML, remote images blocked, and a strict CSP.
  • A durable offline action queue and a command palette.
  • Optional AI with the user's own key, or none at all.

Storage and ownership

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

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

Accounts and protocols

The servers and providers the client can talk to.

Feature Pagkugi Skim
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. Yes
JMAP No No

Reading

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

Feature Pagkugi Skim
In-app HTML rendering No Mail is converted to text instead. Yes Sanitized, no scripts.
HTML converted to text Yes No
Conversation threading Yes Yes
Calendar invitations Limited A focused read-only viewer, not a calendar application. Limited RSVP card; no calendar.

Writing and organizing

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

Feature Pagkugi Skim
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 SQLite FTS5.
Custom incoming filters No The local filter engine is implemented but switched off. No
Tags or labels No Read state only; no general labels or tags. No
Mailing-list actions Yes No
Command palette or keyboard-first No Actions live in explicit context menus. Yes
Open-thread work view Yes No

Security and privacy

Encryption, sender checks, and what leaves the machine.

Feature Pagkugi Skim
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 Bring your own key.

Platform and business

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

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

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