Download Nishio

Free for macOS, Windows and Linux.

Version 0.1.0 · Nov 7, 2026 · Release notes

macOS

Coming soon

Requires: macOS 12 Monterey or later

Niche-Finder-0.1.0-mac-arm64.dmg

How to install
  1. Open the downloaded .dmg file.
  2. Drag Nishio into Applications.
  3. Open it from Applications. On first launch, choose “Always Allow” if macOS asks to use the keychain.

Windows

Coming soon

Requires: Windows 10 or 11 (64-bit)

Niche-Finder-0.1.0-win-x64.exe

How to install
  1. Run the downloaded .exe installer.
  2. If Windows SmartScreen appears: More info → Run anyway.
  3. Choose where to install, then open Nishio from the Start menu.

Linux

Coming soon

Requires: 64-bit Ubuntu 22.04+, Debian 12+, Fedora 38+ or similar

Niche-Finder-0.1.0-linux-x86_64.AppImage

How to install
  1. AppImage: make it executable, then run it.
  2. .deb: install it with apt, then open Nishio from your app menu.

Chrome extension

Requires Chrome 120 or newer (or another Chromium browser with “Load unpacked”).

Manual install (ZIP) — not on the Chrome Web Store yet

ZIPInstall guide

After you install

  1. Open Nishio and create your local account — it stays on this computer.

  2. Optional: Settings → YouTube → add your own YouTube API key.

  3. Optional: install Ollama for local AI writing help.

Platform notes

macOSIf macOS says the app can’t be opened, open System Settings → Privacy & Security, find the message about Nishio and click “Open Anyway”.
WindowsThe Windows build isn’t code-signed yet, so SmartScreen may show “Windows protected your PC”. Click More info → Run anyway.
Linux

Some distributions need FUSE 2 for AppImages (Ubuntu 22.04: libfuse2, 24.04: libfuse2t64).

chmod +x Niche-Finder-*.AppImage && ./Niche-Finder-*.AppImage
sudo apt install ./Niche-Finder-*-linux-amd64.deb