Show HN: TargetBridge – Use an Intel iMac as a Thunderbolt Display Apple Macs

Category: other

Tags: macos, thunderbolt, display-streaming, target-display-mode, open-source

Score: 7.3/10 (Innovation: 7, Technical: 7, Documentation: 8, Utility: 7)

TargetBridge resurrects Apple's abandoned Target Display Mode by using software to stream a Mac's screen at up to 5K resolution over a direct Thunderbolt connection, turning an iMac into a high-resolution external monitor. It solves a long-standing hardware limitation with a clever, feature-rich software approach, supporting multi-receiver setups, audio relay, and input sharing. The combination of a novel use case, deep integration with macOS, and a polished addon system makes it a compelling tool for multi-Mac workflows.

Target audience: mac power users, creative professionals, multi-Mac setup owners

Repository: https://github.com/swellweb/targetBridge · Swift · MIT · 157 stars

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