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Open-source Speechmatics alternative

One open-source alternative to Speechmatics, with its features, GitHub activity and licence.

The open-source alternative to Speechmatics listed on Enlisted is Buzz.

Buzz is listed under AI tools. It shipped code in the last 30 days, can be self-hosted and uses a permissive licence.

Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits

Buzz

Buzz is a desktop app that transcribes and translates audio on your own computer using OpenAI's Whisper models, with no cloud service involved.

GitHub stars
22k
Last commit
yesterday
Latest release
v1.4.5
Licence
MIT
Self-hosted
Yes
chidiwilliams.github.ioBuzz homepage screenshot

Buzz is a desktop application that turns recorded speech into text and translates it, all on the user's own computer. It builds on OpenAI's Whisper speech recognition models, so audio files do not have to be uploaded to a third-party transcription service. The project is written in Python and released under the MIT license.

The app is distributed for Windows, macOS and Linux. Windows users get an installer, Linux users can choose Flatpak, Snap or AppImage packages, and a PyPI package exists for people who prefer a pip-based setup with ffmpeg installed. Nvidia GPU acceleration through CUDA is supported for faster transcription, and recent releases require Apple silicon on Macs.

Because processing happens locally, Buzz suits people who handle sensitive recordings or want to avoid per-minute fees from cloud transcription services. It runs as a local program rather than a hosted service, so there is no account to create.

Key features

  • Offline audio transcription with Whisper models
  • Speech translation on the local machine
  • Installers for Windows, macOS and Linux
  • Flatpak, Snap and AppImage packages for Linux
  • Optional Nvidia CUDA GPU acceleration
  • Installable from PyPI with Python 3.12

Pricing: Free and open source under the MIT license.

Read more about BuzzWebsite GitHub

Speechmatics alternatives: questions

What is the best open-source alternative to Speechmatics?
Buzz is the only open-source alternative to Speechmatics listed on Enlisted so far: Buzz is a desktop app that transcribes and translates audio on your own computer using OpenAI's Whisper models, with no cloud service involved.
Is Buzz free?
Buzz is open source, so the code is free to use under its licence, and it can be self-hosted on your own server or computer.
How does Enlisted rank Speechmatics alternatives?
By a score built from GitHub stars, star growth over the last 30 days and how recently the code changed. Buzz shipped code in the last 30 days. Data is refreshed daily, and nobody can pay to move up.

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