Pelton icon
Pelton icon

Pelton

Free, open-source client for Windows, macOS, and Linux, offering local email storage and search online or offline, privacy-focused with no telemetry or third-party servers, IMAP and SMTP support, intuitive interface, and multiple account support.

Pelton screenshot 1

Cost / License

Application type

Platforms

  • Mac
  • Windows
  • Linux
Pelton screenshot 1
Pelton screenshot 2
Pelton alternatives  
15likes
22alternatives
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Features

Properties

  1.  Lightweight
  2.  Support for Themes
  3.  Privacy focused
  4.  AI-Powered

Features

  1.  Ad-free
  2.  No Tracking
  3.  Email Organizer
  4.  Unified inbox
  5.  Email Scheduling
  6.  Works Offline
  7.  Full-Text Search
  8.  Multiple Account support
  9.  Mail Filtering
  10.  Dark Mode
  11.  IMAP Support
  12.  Golang

 Tags

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Screenshot
Proton Mail icon
Proton Mail

Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

 
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Pelton information

AlternativeTo Category

Office & Productivity

GitHub repository

  •  139 Stars
  •  6 Forks
  •  17 Open Issues
  •   Updated  
View on GitHub

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What is Pelton?

Pelton is a free and open-source desktop email client focused on local storage, privacy, and offline access. It connects to email providers through standard IMAP and SMTP, with built-in OAuth2 support for Gmail, and stores cached mail locally in SQLite. The app includes fast full-text search, offline mail downloads, native notifications, PGP/GPG encryption, and blocks remote images and tracking pixels by default without collecting telemetry.

Pelton also provides saved search Views, snoozing, scheduled sending, colored flags, attachment previews, customizable layouts and themes, Vim mode, rebindable keyboard shortcuts, and trackpad gestures. An optional local MCP server allows compatible AI agents to browse, read, and search cached email through a read-only interface, without giving them permission to send, move, flag, or delete messages.