Show HN: Letterblade – open Outlook .msg files on Mac, Linux and Windows

Category: devtools

Tags: email, desktop-app, javafx, file-viewer, privacy

Score: 5.5/10 (Innovation: 4, Technical: 5, Documentation: 7, Utility: 6)

Letterblade is a JavaFX desktop application that opens Outlook .msg files on macOS, Linux, and Windows without requiring Outlook. It emphasizes privacy-safe rendering with blocked remote images, stripped scripts, and explicit confirmation for links and attachments, handling nested messages too.

Target audience: end users and developers needing cross-platform access to Outlook message files

Repository: https://github.com/DenissLarka/letterblade · Java · Apache-2.0

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