
Duet Display
iDisplay
Air Display
Splashtop Wired XDisplay
Superbrush
TwomonUSB
Weylus
spacedesk expands the Windows desktop computer screen to other computers over the local area...

Agent Bar
ChatML
Claude Code UI
A Windows app that brings Claude Code, Codex and Grok Build into one room. Ask them separately, let them debate in turns, or have one build while another reviews.

Which is more popular?
Based on our record, spacedesk seems to be more popular. It has been mentioned 19 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | spacedesk.net | hellhoundai.com |
| Pricing | — | |
| Company | — | Startup from Turkey |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of spacedesk yet.
Hellhound puts your AI agents in one room on your Windows PC. Bring Claude Code, Codex and Grok Build together, then choose how they work: get separate answers side by side, or start a discussion where they take turns, challenge each other and debate an idea, up to a turn limit you set. Let one...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Spacedesk is recommended for professionals who require additional screen space for productivity, such as graphic designers, programmers, or video editors. It's also beneficial for educators and presenters who need to share their screen with an audience. Casual users who enjoy multitasking or need a makeshift second monitor at home would also find it useful.
No analysis of Hellhound yet.
Walkthroughs and reviews on video.
SpaceDesk - Free second monitor app
More videos
Claude + Codex in the Same Chat: Multiple AI Agents Coordinating & Debugging Together
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using spacedesk and Hellhound. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Like Duet Display, SpaceDesk is one of the most popular multi-monitor applications on the market. The main difference is that SpaceDesk is specifically designed to run smoothly on Windows devices. This means you’ll be...
These are some of the top Spacedesk alternatives recommended by us. You can check them out and decide which one suits you the best. Each of these alternatives has their unique set of features. If we have missed out on...
It is a well-known software operating since the time of SpaceDesk. Duet Display has advanced features that make it a perfect alternative for SpaceDesk. Previously the software was only compatible with iPads and...
We have no reviews of Hellhound yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Spacedesk but you have to change the settings on the tablet app to what resolution you want it to be. Source: about 4 years ago
See also https://spacedesk.net/. Sadly Windows-host-only, but works pretty well, and anything with a browser in the same LAN can be a screen. - Source: Hacker News / almost 5 years ago
Spacedesk.net is a small application running on Windows allowing you to create virtual screens accessible on mobile devices or in a browser over the local network or wifi. Source: about 5 years ago
Tracking Hellhound since Oct 2026.
When comparing spacedesk and Hellhound, you can also consider the following products.

With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.
Compare Duet Display to spacedesk or Hellhound:

iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.
Compare iDisplay to spacedesk or Hellhound:

Cockpit for Claude Code - See everything your agents build
Compare ChatML to spacedesk or Hellhound:

Air Display allows extra screens to extend the display size of a Mac desktop. The company behind the product is Avatron Software, which was founded in 2008. Read more about Air Display.
Compare Air Display to spacedesk or Hellhound:

Use Claude Code on mobile and web with Claude Code UI. Claude Code UI free open source webui/GUI that helps you manage your Claude Code session and projects remotely.
Compare Claude Code UI to spacedesk or Hellhound: