Workshop · Vancouver B.C.

GRM-01 · App · ● Free

Detto

On-device meeting capture and dictation for macOS.

Download free ↗Source on GitHub ↗

521
GitHub stars · Oct 2026: 2.0.6
Latest · Jul 22, 2026: 0
Accounts or servers

Detto: Call capture in progress, sample data — Fig. 1 · Call capture in progress, sample data

Features

Meeting transcription on the Mac's Neural Engine, with a local language model for cleanup.
Nothing leaves the device: no account, no server.

A Spec sheet

Does: Records meetings, voice memos and system-wide dictation
Runs on: macOS 26 or later, Apple silicon
Speech: An open speech model on the Neural Engine
Cleanup: A small local language model, on-device
Output: Plain markdown with frontmatter, straight into your notes
Privacy: No account, no server. The window hides from screen share.
Price: Free
Licence: Source-available (BSL 1.1), becomes MIT in May 2030
Updates: Sparkle

B Releases

Jul 22, 2026Version 2.0.6

C Related parts

import GrembleVoice

speech · speakers · cleanup

GRM-02 · Open source · ● Open source

GrembleVoice

On-device speech, speaker labels and cleanup for Apple platforms.

Swift · Apache 2.0

GRM-06 · Hardware · Working prototype

CRYPTiD

Pocket voice-capture device.

ESP32-S3 · AMOLED

GRM-03 · AI workflow · Daily use

Crypt

Markdown knowledge system with an agent layer.

AI agents · approval gate · scheduled jobs

What's Gremble

A Vancouver workshop that builds tools for public affairs and knowledge work, plus apps, open source, hardware and games.

Who's Jason

Jason Craik founded Gremble. He works in public affairs and political risk in Vancouver, advising on government relations, corporate affairs, M&A, market entry, issues and strategy. About Jason → · LinkedIn ↗