Carbon for Mac
Menu bar app that transcribes meetings on device and saves each one as a Markdown file, with no bot and no cloud.
By AlexDemzz. Free and open source, MIT licence.
Carbon at a glance
- Version
- 0.5.4
- Released
- 5 November 2026
- Download size
- 25 MB
- Works on
- Apple silicon and Intel
- Licence
- MIT
- Category
- Audio and Music
- Developer
- AlexDemzz
- GitHub stars
- 9
About Carbon
A free macOS menu bar app that transcribes your meetings on your Mac and files each one as a Markdown file, ready for any AI agent. No sign-in, no bot, no cloud.
Screenshots

How to install Carbon on a Mac
- Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
- Search for Carbon and press Get. OpenDMG downloads version 0.5.4 from AlexDemzz's own GitHub release.
- Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.
Updates to Carbon show up in OpenDMG and install with one button. No account is needed.
Prefer to do it by hand? The developer's file is on GitHub: Carbon-0.5.4.dmg (25 MB).
What is new in Carbon 0.5.4
Carbon 0.5.4 When a meeting runs past its slot in your calendar and you stay on the call, Carbon keeps writing it into the same note instead of starting a new one when the next event begins. When you leave for your next meeting, the new note starts at the moment you switch.
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