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FCast Sender vs Airflow: catalog facts
FCast Sender	Airflow
Free Free and open source under GPL-3.0.	Paid One-time licence of $18.99 for all your computers; the free trial limits playback to 20…
Linux	Windows, macOS
Open casting protocol instead of a closed one Connects by automatic discovery or QR code	HEVC to Apple TV without transcoding High quality audio handling, including lossless FLAC to Apple TV
Needs an FCast receiver on the target device Smaller ecosystem than Chromecast or AirPlay	Paid after a playback-limited trial Supports only a specific set of streaming devices
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.