Dev tools · alternatives · 2026

24 alternatives to Window Fusion

Merge multiple app windows into one window

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Window Fusion launched in 2024; newer entries below may have overtaken it.

1
Groupy▲112
Open windows like browser tabs
2019 · stardock.com · its alternatives →
2
Split Screen Ultimate▲104
Easiest way to resize and manage windows on your Mac.
2015 · splitscreenapp.com · its alternatives →
3
Merge Windows▲8
Chrome extension merge windows with customizable options.
2024 · chromewebstore.google.com · its alternatives →
4MD
Multi-display screen sharing with CoScreen▲350
Good to be back on HN with all-new CoScreen, a little more than 3 years after it launched over here! With CoScreen 5.0, you can now share your windows from multiple displays at the same time, a long standing request by our most avid users and impossible in other apps. It also has a lightning-fast, Rust-based window compositing, scaling, and streaming engine now. CoScreen was always meant to be different so that you and your team can share your screens simultaneously and multi-directionally, and to be able to control what is being shared. We saw it as a natural extension and closely coupled…
2023 · blog.coscreen.co · its alternatives →
5
Stack: tiling WM for Windows▲101
Stack is a customizable tiling window manager for Windows.
2017 · losttech.software · its alternatives →
6
Merge 2.0▲497
Launch hundreds of integrations in days for free
2022 · merge.dev · its alternatives →
7
Slate▲97
Floating windows for efficient multitasking on your desktop
2021 · slate.madebyayan.com · its alternatives →
8
Contexts▲62
Radically simpler & faster window switcher
2021 · contexts.co · its alternatives →
9
Fuse▲188
A UX tool suite for mobile app designers and developers
2015 · fuse.no · its alternatives →
10
Merge▲355
To-do list app for couples living together
2017 · apps.apple.com · its alternatives →
11
Multiwindows Browser for iOS▲83
Desktop-like draggable, resizable browser windows for iOS
2023 · multiwindowbrowser.vercel.app · its alternatives →
12
All Windows Appear▲102
Click one window, see all other related windows
2020 · apps.apple.com · its alternatives →
13
Veamly▲211
Unify your productivity apps into one desktop app
2019 · its alternatives →
14
Stack WM▲74
Better window manager for Windows
2019 · stackwm.github.io · its alternatives →
15SU
Stack – Use all your apps at the same time on 1 screen▲33
2019 · getstack.app · its alternatives →
16
Rectangle▲95
Move & resize windows in MacOS via shortcuts & snap areas
2019 · rectangleapp.com · its alternatives →
17
Switch windows of same app with hotkey (alt + `)▲32
Easily switch between windows of the same app with Alt+` (Backtick), also switch between apps with Alt+Tab. - sigoden/window-switcher
2022 · github.com · its alternatives →
18
Window Resizer for Safari ▲115
Test responsive designs, split windows, customize sizes
2024 · apps.apple.com · its alternatives →
19
WindoWizard▲4
Organize multiple windows on the screen for Mac easily.
2021 · okaapps.com · its alternatives →
20
Wins▲156
Bring system-level arrange window features to Mac
2022 · wins.cool · its alternatives →
21
SwitchGlass▲88
Customizable app switcher for Mac
2020 · hypercritical.co · its alternatives →
22
SplitUp!▲68
A fun and elegant tab manager
2018 · chromewebstore.google.com · its alternatives →
23
Windows App▲84
Stream Windows to your devices
2023 · learn.microsoft.com · its alternatives →
24
OneDock▲73
Bring order to your app chaos!
2020 · onedock.app · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →