Hex by Anomaly

Name: Hex by Anomaly
Availability: OnlineOnly
Author: Anomaly Innovations

Local voice dictation app for macOS, Windows and Linux that transcribes speech on-device and pastes it into the active app.

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At a Glance

Pricing

Open Source

Hex core product is MIT licensed local voice dictation for macOS, Windows and Linux.

Engagement

Available On

Windows

macOS

Linux

API

Anomaly InnovationsSan Francisco, CAEst. 2008$1M raised

Listed Nov 2026

About Hex by Anomaly

Hex is an open-source, MIT-licensed voice dictation app from Anomaly for macOS, Windows and Linux. The user holds a shortcut, speaks, and releases, and Hex pastes the transcribed text into whichever app is focused. The latest listed release is v3.3.0.

What It Is

Hex is a local-first speech-to-text utility. Transcription runs on the user's device, and the first run downloads a speech model. After that, the README states nothing leaves the machine. The project site describes the default flow as holding Alt+Space, speaking, and having Hex paste the result where the cursor is.

Installation and Channels

Hex ships for macOS on Apple silicon (macOS 15 or later), Windows x64 and ARM64, and Linux x86_64 and ARM64. Linux packages include an executable, .deb and .rpm files, an install script, an AUR package and a Nix profile. macOS can also be installed through Homebrew. A Stable channel and a Dev channel are offered, and the Dev build updates itself from the dev channel.

Project Model

Experimental features live in a Labs section at the bottom of the sidebar. The project does not accept pull requests. Contributors are asked to open an issue describing a bug or idea.

Community Discussions

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Pricing

OPEN SOURCE

Open Source

Hex core product is MIT licensed local voice dictation for macOS, Windows and Linux.

MIT License
Local transcription on device; first run downloads a speech model
Stable and Dev release channels
Available for macOS (Apple silicon), Windows and Linux

Capabilities

Key Features

Hold-to-talk dictation shortcut (Alt+Space)
On-device speech transcription
Pastes text into the active app
Speech model downloaded on first run
Stable and Dev release channels
Labs section for experimental features
Multiple install methods including Homebrew, AUR, Nix and install scripts

API Available

View Docs

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Developer

Anomaly Innovations

Anomaly Innovations Inc. is a developer-focused software company building open, composable infrastructure for the modern cloud and AI-native era. The company is best known for creating SST (Serverless Stack) and a growing family of open-source tools that emphasize clarity, ownership, and long-term maintainability over black-box abstractions. Founded by experienced infrastructure and developer tooling engineers, Anomaly’s work consistently revolves around a simple belief: developers should understand and own their systems, not fight them. This philosophy shows up across every product the company ships. Rather than building isolated tools, Anomaly maintains a cohesive open-source ecosystem designed to work well together while remaining useful independently. This includes SST for defining cloud infrastructure using real programming languages, OpenNext for deploying and owning Next.js infrastructure, OpenAuth for composable authentication primitives, OpenTUI for building rich terminal interfaces, Models.dev for understanding and comparing AI models, and [OpenCode](/tools/opencode) — a privacy-first, local-first AI coding agent built primarily for terminal workflows. Across these projects, Anomaly follows a consistent set of principles: open-source first, escape hatches over lock-in, minimal magic, and deep respect for production reality. Tools are designed to be auditable, self-hostable, and understandable, even as systems scale in complexity. Where abstractions exist, they are meant to simplify without hiding how things actually work. Anomaly’s approach to AI reflects this same mindset. Instead of treating AI as a closed platform, the company treats it as infrastructure — something that should be model-agnostic, swappable, cost-transparent, and under developer control. OpenCode, for example, runs locally by default, does not retain user code or context, and allows developers to bring their own models or providers. Optional services like OpenCode Zen layer curated model access on top without compromising the core open-source workflow. The company is backed by Y Combinator and notable technology investors including Reid Hoffman, Max Levchin, and Steve Chen, and its tools are used by startups, scale-ups, and independent developers worldwide. Despite this backing, Anomaly has maintained a strong indie-infrastructure mindset: build things that last, prioritize trust over lock-in, and optimize for long-term developer confidence rather than short-term growth tactics. At its core, Anomaly Innovations builds tools for developers who care about owning their infrastructure, understanding their AI systems, and building software that will still make sense years down the line. It is not a platform company chasing dependency — it is an infrastructure company betting that clarity scales better than complexity."

Founded 2008

San Francisco, CA

$1M raised

2 employees

Used by

OpenCode reports production use by its…

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What It Is

Installation and Channels

Project Model

Experimental features live in a Labs section at the bottom of the sidebar. The project does not accept pull requests. Contributors are asked to open an issue describing a bug or idea.

Hex by Anomaly