Apps similar to CMU Sphinx include Handy STT, which is free and open source. Other options are Vibe Transcribe, Voxtral, FUTO Voice Input and Speech Note. There's no shortage of Audio Transcription Tools like CMU Sphinx, with more than 25 alternatives for Mac, Windows, Linux, iPhone and self-hosting.
Free open source speech-to-text app for desktop runs fully offline, keeping transcription and audio data private. Extensible and customizable, supports accessibility, cross-platform use, and community-driven modifications. No subscriptions or internet requirement.
United States
Delivers offline transcription of audio and video using local AI for privacy, supports batch processing, multi-language input, real-time preview, multi-format export, English translation, direct printing, system audio, microphone input, CLI, and setup customization on Windows, Linux, or macOS.
Israel
Advanced audio models for transcription, translation, and understanding, optimized for production and edge deployment, API accessible, open-source with Apache 2.0, delivering high accuracy, resource efficiency, and support for both large-scale and local use cases.
France
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FUTO Voice Input is an application that lets you do speech-to-text on Android, integrating with third party keyboards or apps that use the generic speech-to-text APIs.
United States
Note taking and reading with Speech to Text and Text to Speech.
An open-source, end-to-end speech recognition system trained on 680,000 hours of diverse audio, providing multilingual transcription, to-English translation, language identification, phrase-level timestamps, and high performance in real-world scenarios using transformer architecture.
United States
Optimized for edge hardware, this open-source tool provides fast, private on-device speech recognition for real-time transcription, command and speaker identification, lower word-error rates than Whisper models, and multi-language support over varied platforms.
United States
Provides instant, local voice-to-text transcription, searchable timeline for both dictated and clipboard text, fully private processing on macOS, adaptive learning for terminology, invisible activation, audio/video file transcription, and seamless pasting into apps.
Privacy-focused transcription tool for macOS. For free. No ads, no tracking, no data collection.
SpainEU
Switch between typing and voice to take notes with ease, supporting 40 languages. Real-time transcription captures paragraphs and emoticons while ensuring clear punctuation. Pro upgrade offers cloud storage and multiple note management options.
United States
The slowest part of your computer is the keyboard. Aqua fixes that. Hold a key, talk, and your voice becomes clean text in any app - Gmail, Slack, Cursor, the terminal.
United States
Dictly turns speech into polished, structured text — instantly and entirely on your device. No servers. No data collection. No delay.
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