Laying out the streets…STEP 1 OF 3

Annex · Office #56,506

use another computer as a second screen

In the Mac and Windows desktop utilities neighborhood (Desktop and utilities). In town since 30 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on Annex's site

Annex describes itself as: “Annex: use another computer as a second monitor (Mac, Windows, Linux)”

What it is

Calls itself “second display”.

  • Calls itself: second display
“Annex turns another computer into a second display, or mirrors its screen.”

Where it puts itself

Rules out “accounts”, “ads” and “cloud copy” and 1 more.

  • Says it will not: accounts · ads · cloud copy · +1
“No accounts, no ads, no tracking, no cloud copy of anything.”

What it costs

A free tier, free forever. No monthly or yearly plan. No one-time option.

  • One-time: no
  • Monthly: no
  • Yearly: no
  • Free plan: free forever
“Does it cost anything? + No. Annex is free and open source under the MIT licence. There's no paid version and nothing to sign up for.”
“Free and open source.”
“There's no paid version and nothing to sign up for.”

How it runs

A desktop app for Linux, Windows and macOS. Runs locally and works offline. Open source.

  • Kind: desktop
  • Runs on: Linux · Windows · macOS
  • Runs where: on the device, offline
  • Open source: yes
“Annex turns another computer into a second display, or mirrors its screen. Mac, Windows and Linux in any combination, over your network, a cable or the internet.”
“Mac, Windows and Linux”

What it works with

Names GitHub, Linux and 2 more on its pages.

  • Names: GitHub · Linux · Mac · +1
“Annex turns another computer into a second display, or mirrors its screen.”
“The only other request is the update check to GitHub”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

  • Trial asks for: nothing
“0 Accounts to make, or trackers”
“Docs -> https://www.getannex.dev/docs”

Sources

Tablif read these pages, last on 30 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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