Pelton — a private, open-source email client<br>Find it as fast<br>as you can type

Pelton is a free, open-source email client that searches your whole mailbox locally, online or<br>off. No telemetry, no servers of ours. Your mail stays on your machine.

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GPL-3.0<br>zero telemetry<br>Go + Wails<br>IMAP / SMTP<br>local SQLite

A real, native desktop app<br>Three resizable panes, hairline borders, a quiet interface that gets out of the way.

Pick one color. The whole client follows

Pelton derives selections, links and highlights from a single accent you choose. This is the<br>same picker as the app's settings, wired to the same preview.

Accent color<br>Density Compact Medium Luxe

Pelton<br>Compose<br>Views<br>Inbox 12

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GI GitHub 09:41<br>TRC-Loop/Pelton: a new release is ready<br>The v0.x build is attached with installers for macOS, Windows and Fedora.

FA Fastmail 08:12<br>Your monthly account summary<br>Here is a short overview of your account activity for the past month.

LT Linus T. Yesterday<br>Re: patch for the IMAP sync path<br>Looks good to me. One small note about the reconnect backoff and we can merge.

CA Calendar Yesterday<br>Reminder: release call at 15:00<br>This is a reminder for your upcoming event later today.

AL Ada Lovelace Mon<br>Notes from the design review<br>Attaching the notes and a couple of screenshots from this morning.

GH Grace H. Sun<br>Thanks for the offline mode fix<br>The download bar with the ETA is a really nice touch, thank you.

Built for privacy, without getting in your way<br>Everything runs locally. These are the parts that already work today.

Fast local search<br>Search runs against your local store, so even large mailboxes stay quick, online or off.

contract 3 results<br>LegalSigned contract attached<br>DropboxYour contract is ready to view<br>Ada L.Re: contract review notes

Cross-platform<br>macOS, Windows, Fedora.

macOS Windows Fedora

Zero telemetry<br>No tracking, no crash reports.

Your data stays local<br>Mail lives in local SQLite and on your own provider. Standard IMAP and SMTP, nothing in between.

Offline downloads<br>Pin a message or bulk-download everything since a date for offline reading.

Downloading offline 128/512<br>25% ~2:14 left

In-app previewer<br>Open PDFs, images and text without leaving Pelton.

Snooze<br>Send a message away; it returns unread when you want it.

Tomorrow Fri, 9:00 AM<br>Next week Mon, 9:00 AM

Send later<br>Schedule a message to send at a time you choose.

Portable config<br>Export accounts, preferences and layout into one file.

Colored flags<br>Eight colors, local by default or synced as IMAP keywords.

Yours to customize<br>Density, themes and layout, tuned to your workflow.

Made for keyboard people<br>Vim mode in the composer, rebindable shortcuts everywhere, and swipe gestures on the trackpad.

Vim mode<br>Modal editing in the compose editor.

Custom shortcuts<br>Rebind keys throughout the client.

Swipe gestures<br>Trackpad swipes on messages, configurable.

Address autocomplete<br>Learned from mail you send and receive.

Compose NORMAL<br>To ada@example.org<br>Subject Re: offline sync

Thanks for testing the build. The offline download bar now shows an

ETA in the status bar, and swipe-to-archive is configurable.

Download Pelton

Every release ships unsigned installers for macOS, Windows and Fedora. First launch needs one<br>extra step on macOS and Windows, since the builds are not code-signed.

Get the latest release<br>Detecting your platform and the newest build.

Latest release All builds and releases

Free and open source

Pelton is written in Go with Wails, so it stays light on memory without a bundled browser.<br>It is still early, and the source is the best place to see where it stands.

GPL-3.0 licensed<br>The full source is public. Read it, build it, fork it, ship your own.

Contributions welcome<br>Bug fixes, UI polish, backend Go, translations. Open an issue or a pull request.

Community first<br>No accounts, no upsells. Talk to us on Discord or by email.

GitHub

View on GitHub

Made in the open<br>Pelton is built by people who wanted a better email client. Here is where it stands right now.

— Stars — Forks — Watching

Questions<br>Answers straight from the project.

Which email providers does Pelton support? Standard IMAP and SMTP, which covers most providers out of the box. There is built-in OAuth2 support for Gmail, and because Pelton is open source, more providers can be added by the community.<br>Does Pelton work offline? Yes. You can cache your newest emails locally for a timeframe you choose, and mark specific messages to be kept offline permanently.<br>Does Pelton support PGP/GPG encryption? Yes.<br>Where is my data actually stored? In a SQLite database on your own machine, and on your original email provider. Nothing is hosted or routed through third-party servers.<br>Why Wails and Go instead of Electron? Lower memory use and a snappier UI. Go and Wails avoid the overhead of a bundled browser while keeping the client cross-platform.<br>How does Pelton handle tracking pixels or remote...