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Spantop
Turn any Mac into a real second monitor
Spantop turns another mac into a real second monitor for your Mac. Instead of buying extra hardware, you can extend your workspace to a nearby screen over Thunderbolt or WiFi. Lossless LZ4 display. 0 latency. It is built for people who travel, work from cafés, use multiple devices, or want a quick second display without a bulky monitor. Simple setup, real extended desktop, and a lightweight Mac-first experience.
Top comment
Hey Product Hunt 👋 I built Spantop because I often wanted a second monitor without carrying one around. Spantop lets you turn another computer or device into a real second monitor for your Mac over Thunderbolt or WiFi. It is made for people who travel, work from cafés, use multiple screens, or just want more space without buying extra hardware. The goal was simple: open the app, connect another screen, and extend your Mac workspace. Would love your feedback — especially from Mac users who use multi-monitor setups, travel often, or work across multiple devices.
About Spantop on Product Hunt
“Turn any Mac into a real second monitor”
Spantop launched on Product Hunt on May 23rd, 2026 and earned 88 upvotes and 4 comments, placing #9 on the daily leaderboard. Spantop turns another mac into a real second monitor for your Mac. Instead of buying extra hardware, you can extend your workspace to a nearby screen over Thunderbolt or WiFi. Lossless LZ4 display. 0 latency. It is built for people who travel, work from cafés, use multiple devices, or want a quick second display without a bulky monitor. Simple setup, real extended desktop, and a lightweight Mac-first experience.
On the analytics side, Spantop competes within Mac, Productivity and Remote Work — topics that collectively have 759.7k followers on Product Hunt. The dashboard above tracks how Spantop performed against the three products that launched closest to it on the same day.
Who hunted Spantop?
Spantop was hunted by Aditya Dewaskar. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Spantop including community comment highlights and product details, visit the product overview.