Humm – free, private realtime speech-to-text
Built-in dictation already does local speech-to-text free on both Mac and Windows.

Another Whisper wrapper with a nice UI, but lacks novelty against Hugging Face Spaces.
Podcasters, journalists, and developers needing quick transcription
AssemblyAI · Hugging Face Spaces · Otter.ai
Built-in dictation already does local speech-to-text free on both Mac and Windows.
20+ TTS models in one place, but Eleven Labs and Play.ht already own this space.
Zero-knowledge encryption for transcripts is nice, but Otter.ai and TurboScribe exist.
Private wake-word dictation across three OSes outmaneuvering Whisper API, Google Docs Voice, and Otter.ai subscriptions entirely.
Yet another on-device speech wrapper, but iOS-only with Android still coming soon.
Side-by-side model comparison eliminates guessing which speech engine fits your hardware.