Megaphone brings open-source on-device dictation to Mac

// 2h agoOPENSOURCE RELEASE

Megaphone brings open-source on-device dictation to Mac

Megaphone is a free, open-source dictation app for Apple silicon Macs that combines Apple's SpeechAnalyzer with local Foundation Models for on-device speech-to-text. Activated via the Fn key, it automatically strips filler words, corrects speech, adjusts formatting based on app context, and runs completely locally without API keys or cloud dependencies.

// ANALYSIS

Megaphone demonstrates the capability of modern Apple silicon to handle local voice AI tasks seamlessly, delivering low-latency dictation while keeping user data strictly private.

• Complete Privacy: Processing happens 100% on-device, eliminating security concerns and cloud dependencies.

• Smart Speech Cleanup: Foundation models intelligently strip filler words, fix self-corrections, and tailor text output based on active app context.

• Zero Friction: Fully open-source under the MIT license with no accounts, subscriptions, or API keys required.

// TAGS

macossttopen-sourceartificial-intelligenceproductivityapple-silicon

DISCOVERED

2h ago

2026-07-23

PUBLISHED

8h ago

2026-07-23

RELEVANCE

8/ 10

AUTHOR

Kuber Mehta

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