Varieties

Different ways to enjoy Ctrl+Shift+3 — same text community, pick the form that fits.

Website

Use it in any modern browser at ctrlshift3.com.

PWA

Open the website in a supporting browser, then use that browser’s install app or “Add to Home Screen” option for a dedicated icon and fuller-screen feel.

iOS

Native app for iPhone: Ctrl+Shift+3 on the App Store.

CLI

A terminal client for catching up on the feed, comments, your wall, pings, and settings — plus compose, edit, and delete plain-text thoughts.

Mac or Linux (recommended): open Terminal and paste:

curl -fsSL https://ctrlshift3.com/CLI/install.sh | bash

That installs cs3 into ~/bin and starts it (no Gatekeeper “Open anyway” dance).

Windows (recommended): open PowerShell and paste:

irm https://ctrlshift3.com/CLI/install.ps1 | iex

That installs cs3.exe under your user folder (%LOCALAPPDATA%\cs3) and starts it.

Next time you open a terminal, you do not need the install command again. Run:

Mac: ~/bin/cs3 (or just cs3 if ~/bin is on your PATH)
Linux: ~/bin/cs3 (or just cs3 if ~/bin is on your PATH)
Windows: %LOCALAPPDATA%\cs3\cs3.exe (or just cs3 in PowerShell if that folder is on your PATH)

Or download a zip for offline / manual install, unzip, open the launcher, and log in with your site account.