Pelton is described as 'Free, open-source mail client with offline and online local search, privacy-focused design, cross-platform support, and no telemetry or external servers' and is a Email Client in the office & productivity category. There are more than 10 alternatives to Pelton for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Pelton alternative is Thunderbird, which is both free and Open Source. Other great apps like Pelton are Betterbird, Microsoft Outlook, Spark Mail and Mailspring.
ElectronMail is an Electron-based unofficial desktop client for ProtonMail end-to-end encrypted email provider. The app aims to provide enhanced desktop user experience enabling features that are not supported by the official in-browser web clients.
Japan
Trojitá, is a fast Qt IMAP e-mail client that respects open standards and facilitates modern technologies. Trojitá values vendor-neutrality that IMAP provides and is committed to be as interoperable as possible.
Czechia
EU
Prudii is a private, tracker-blocking desktop email client for Windows, macOS and Linux. All mail stays on your machine — no cloud, no telemetry.
GermanyEU
Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.
United States
Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.
SpainEU
MailCode is a desktop mail client for people whose mailbox stopped being an inbox years ago and became an archive. It keeps every message on your own machine, indexes all of it, and answers a search.
Türkiye
AI email client that sorts your mail into Needs You, FYI, and Noise, builds your day in a Today view, and drafts replies in your voice.
Singapore
Hylki is a fast, GNOME-native email client with a three-pane layout, unified inbox, and support for OAuth accounts. Fast to open, effortless to read, and private by default.
United States
