Build with Niah on your machine
Niah is an AI-native desktop editor for regulated and critical software work. It keeps the editor you already know and adds chat that can read your codebase, inline edits, and agents that carry out multi-step changes under review.
Start here
Installation
Downloads and install steps for macOS, Windows, and Linux.
Quickstart
Sign in, understand a codebase, make your first reviewed change.
Chat & editing
Chat, quick edit, and the diff review keybindings.
Models & providers
Niah Cloud, local models, and bring-your-own-key providers.
What Niah adds to your editor
Codebase-aware chat
Ask questions with your selection or file staged as context, or let Agent mode call tools.
Agents
Run Explorer, Editor, and Verifier sub-agents concurrently across a repo.
Workspace control
.niahignore to scope indexing, .niahagent to constrain what agents may do.
Compliance scanning
Run a workspace compliance scan and ask about violations in plain language.
The basics
| Application | Niah |
|---|---|
| Platforms | macOS (Apple silicon + Intel), Windows (x64 + ARM64), Linux (x64 + ARM64) |
| Download | niah.si/download |
| Release track | Beta |
| Sign-in | Your Niah account on niah.si — no API key needed |
| Deep links | niah:// |