Flectar Mail

Windows · Mac · Linux · Android · iPhone

Freedom report

Two barsScore 6.2

Runs widely5 of 6 device platforms
DocumentedPlans, terms and facts published

Flectar Mail is ranked #63 of 143 in email clients on Freedom251, made by Flectar Mail (Málaga, Spain). It runs on Android, iOS, Linux, macOS, Windows.

Compared on email clients

Free plan: Yes
App coverage: desktop
Unified inbox: Yes
Offline access: Yes
Calendar tools: Yes

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The record

Purpose: Flectar Mail is a native Rust email client designed for fast startup and low memory use.
Memory use: The site says Flectar Mail uses 20–140 MB of RAM.
Architecture: The client uses a custom Rust HTML and CSS renderer and has no embedded webviews.
Google integration: It connects Gmail, Google Calendar, and Google Contacts.
Microsoft integration: It supports Outlook and Microsoft 365 mail, calendars, and contacts.
Protocols: It supports IMAP, SMTP, JMAP, CalDAV, CardDAV, and WebDAV, including standards-based and self-hosted services.
Calendar and contacts: Calendar sync uses CalDAV, and connected address books use CardDAV.
Files: Users can browse JMAP and WebDAV storage, search attachments, and preview common file types.
Offline use: Mail and calendar data are stored locally so synced information remains useful offline.
Privacy: Remote images are blocked until the user allows them to help prevent tracking pixels from reporting a read.
Encryption: Desktop OpenPGP signing and encryption work through GnuPG 2.x, with protected drafts kept local until sent.
Availability: Flectar Mail is in active alpha development; the site offers preview builds for Windows, Linux, macOS, and Android, while iOS is marked coming soon.
Support: The site invites visitors to describe how email fits their work to hear when Flectar Mail is ready and provides contact and call options.
Maker: Flectar describes itself as a digital studio based in Málaga, Spain, and identifies Tomás Romero as its founder.

Where it ranks on Freedom251

Best Email Clients in 2026#63 of 143

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Sources

flectar.com/mail/· checked 11 Oct 2026
flectar.com/about/· checked 11 Oct 2026
github.com/flectar/mail· checked 12 Oct 2026
github.com/flectar/mail/releases· checked 12 Oct 2026