Overview
Aerion is an open-source desktop email application designed for resource efficiency and modern user experience. Built to address limitations in existing Linux email clients, Aerion provides a fast, lightweight alternative without compromising features.
Why Aerion?
Existing email clients often fall short:
- Thunderbird: Legacy cruft and bloat
- Geary: Unreliable search functionality
- Mailspring: Electron-based resource consumption
- Evolution: Outdated interface
Aerion solves these problems with a modern, efficient approach.
Core Features
Resource Efficiency
- Minimal CPU, RAM, and battery usage
- Built with Wails framework for native performance
- No Electron bloat
Modern User Experience
- Clean, intuitive interface
- Dark mode support
- Conversation threading
- WYSIWYG composer with TipTap Editor
Keyboard Navigation
- Full keyboard support
- Vim-style shortcuts available
- Efficient workflow for power users
Privacy & Security
- Tracking element removal
- No reliance on system services (Gnome Online Accounts)
- Independent operation
Email Management
- Multiple account support with unified inbox
- Reliable search functionality
- Contact sync (CardDav/Google/Microsoft)
- Clickable notifications (Linux)
- Auto-sync on wake (Linux)
Supported Email Providers
- Generic IMAP/SMTP
- Gmail
- Microsoft 365
- Yahoo
- Proton Mail (via Bridge)
- iCloud
- Fastmail
- Zoho
- AOL
- GMX
- Mail.com
Tech Stack
- Backend: Go (57.7%)
- Frontend: Svelte (34.7%), TypeScript (5.5%)
- Framework: Wails desktop framework
Platform Support
- Linux (primary platform with full features)
- macOS (some system-level features unavailable)
- Windows (some system-level features unavailable)
Installation
Visit aerion.3df.io for download links and installation instructions for your platform.
Getting Started
- Download the appropriate package for your platform
- Install and launch Aerion
- Add your email accounts
- Configure keyboard shortcuts and preferences
- Enjoy a lightweight email experience!