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Flectar Mail is an open-source email, calendar, and contact management application built with Rust for native performance and low memory consumption. It supports Windows, macOS, Linux, Android, and iOS, with mobile installation availability varying by platform. Users can connect Gmail, Outlook, Microsoft 365, and standards-based email services through IMAP, POP3, SMTP, and JMAP. Its interface organizes messages into conversation threads, tabs, and color-coded account profiles. CalDAV and CardDAV integration provides synchronized calendars and contacts. Offline storage keeps previously synchronized messages and information accessible without an internet connection. Security features include remote image blocking and native HTML rendering without executing email scripts. Additional capabilities include attachment searches, OpenPGP encryption, customizable themes, and local backups.
Features
- Lightweight native email interface with fast startup and low memory consumption
- Multiple email account support through IMAP, POP3, SMTP, JMAP, and major providers
- Conversation threading, persistent tabs, and color-coded account profiles
- Integrated calendar, contacts, and file management with CalDAV and CardDAV synchronization
- OpenPGP email encryption, remote image blocking, and secure HTML rendering
- Offline mailbox access with attachment search, customizable layouts, and local backups
Project Samples
