Pagkugi

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Mailspring and Pagkugi

Established cross-platform Electron client with a plugin architecture.

At a glance

A unified inbox, snooze, send later, templates, rules, themes, and plugins.

Where Pagkugi differs. Electron-based, cache-based, and plugin-heavy, where Pagkugi is Maildir-based, plain-text-first, and has no web engine.

Status
Active
License
GPL-3.0 (UI)
Platforms
macOS, Windows, Linux
Storage
A local sync engine and cache over the configured accounts; the provider is authoritative.
Website
https://www.getmailspring.com/
Source
https://github.com/Foundry376/Mailspring

Where Mailspring is better

  • A mature cross-platform GUI with a unified inbox.
  • Snooze, send later, templates, and rules.
  • A plugin and theme ecosystem.

Storage and ownership

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

Feature Pagkugi Mailspring
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 Mailspring
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 Mailspring
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

Writing and organizing

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

Feature Pagkugi Mailspring
Rich or HTML composition No Composes text/plain; Markdown composition is not released. Yes
Snooze or send later No Yes
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 Mailspring
PGP / S/MIME No Not built in. Limited Through plugins.
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 Mailspring
Graphical desktop app Yes Yes
Terminal interface No No
Mobile app No No
Web or self-hosted No No
Calendar, contacts, or groupware No Limited Contacts.
Plugin or extension system No Yes
Open source No Proprietary commercial software. Yes The UI is open source.
No account with its maker Yes Yes

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