Alternatives

Products that do what splitscreen does

Multi-window web browsing tool

1. 1
   COLLABORATE By Sariska▲407

   Browse any website together without screen sharing

   2023

2. 2
   Responsive Viewer▲396

   View multiple screen dimensions in one view

   2019

3. 3MD
   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

4. 4
   Multi Screen Test▲216

   Test your site at different screen resolutions & devices.

   2015

5. 5CC
   Coscreen.co – a radically different remote collaboration tool▲404

   2019 · coscreen.co

6. 6
   Fluid Browser▲156

   Transparent floating browser built for multitasking

   2016

7. 7BA
   Browsh – A modern, text-based browser▲967

   2018 · brow.sh

8. 8
   Stack 3.0▲279

   Smart browser for internet multitaskers

   2020

9. 9
   Browser Frame▲226

   Easily wrap screenshots in different browser frames.

   2016

10. 10
    Multi-browser Screenshots▲173

    See how a webpage renders across many browsers & devices

    2018

11. 11
    Janus Workspace▲166

    transforms your new tab page to a split screen workstation

    2017

12. 12
    Split Screen Ultimate▲104

    Easiest way to resize and manage windows on your Mac.

    2015

13. 13SS
    Screen – screen sharing for remote work, by the cofounder of Screenhero▲406

    2020 · screen.so

14. 14
    SeekAll▲421

    Search across multiple platforms in one tab, even AI & YT

    2024

15. 15
    Groupy▲112

    Open windows like browser tabs

    2019

16. 16
    Stack 2.0▲313

    Stack is an internet launchpad for multitaskers

    2019

17. 17
    Browsing Mode▲141

    Online space for exceptional website designs

    2024

18. 18
    across-tabs▲90

    Easily communicate among browser tabs

    2017

19. 19AI
    An interactive guide to how browsers work▲302

    Jan 2026 · howbrowserswork.com

20. 20
    Linkwork▲100

    A free tool that enables collaborative & social web browsing

    2021

21. 21SS
    Screen Sharing in the Browser▲219

    Seeing all the hype around Bolt.new, I decided to give it a try, and within just 30 minutes, I built a fully functional web app for screen sharing. How It Works: - One user opens a room and receives a unique code. - Participants join by simply entering the code to view the shared screen. After that initial build, I moved the project to Cursor to continue iterating and enhancing its features. Github: https://github.com/tonghohin/screen-sharing Demo: https://share-your-screen.vercel.app

    2024 · github.com

22. 22
    Browser SplitView Master▲4

    Split, Sync & Compare Websites In A Single Tab

    Jun 2026 · chromewebstore.google.com

23. 23
    Slate▲97

    Floating windows for efficient multitasking on your desktop

    2021

24. 24SS
    Split Screen for Chrome▲5

    2024 · chromewebstore.google.com

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