sidecar-alternative

All your computers and your phone/iPhone, working as one desk. Screens, apps, files, clipboard, calls, texts, notifications, mouse and keyboard, shared between Mac, Windows, Linux , Android, Web and ios / ipados . Free and open source. No account, no cloud, and no shared network needed.

Turn spare devices into real extra displays for your Mac or Windows PC — iPad, iPhone, Android, Windows, Linux, even an old 5K iMac. Free, open-source Sidecar/Duet/spacedesk alternative. No subscriptions, no cloud, no accounts.

Mac Everywhere, On Whatever Display. MeowDisplay 2.0: open-source Mac sharing and control on iPhone, iPad and another Mac. Android in closed testing.

Port do App do OpenDisplay para Android

Free open-source iOS 12 iPad/iPhone second monitor for Mac. OpenDisplay-compatible client over USB/Lightning & Wi-Fi. Sidecar/Duet alternative for old devices.

Use a Mac or a Windows PC as a real extended display for another computer on your local network. Free and open source, macOS ⇄ Windows, no cloud, no account — a Sidecar and spacedesk alternative.

Turn any Android phone or tablet into a second monitor, touch screen and pen tablet for Mac and Windows. USB or Wi-Fi, hardware HEVC, pressure-sensitive pen, open protocol.

Turn an iPad Air 1st generation (A1474, MD785LL/B, iOS 12.5.8) into a wired Retina second display for macOS

📱 Turn your iPhone into a second screen for your Mac: live SwiftUI widgets (music, CPU/RAM, calendar, weather, crypto, Claude Code limits), a real extended display over USB/Wi-Fi, and a cursor that crosses onto the phone. Source-available Sidecar alternative with custom JS widgets, free for noncommercial use.

Use an old Mac as a second display. Adds a macOS receiver to OpenDisplay — an iMac 27" 2017 runs at true 5K (5120x2880), pixel-sharp with no scaling, over WiFi.

fork of ipad-iphone-second-monitor-ios12-free. added AWDL connection feature to use an old iPad/iPhone as a Mac second display without a local network. great thanks to https://github.com/cuongpham1/ipad-iphone-second-monitor-ios12-free

Turn an old Mac, an iPhone or an Android into a wireless extra screen for your Mac. Free and open source.

Touch-native macOS from any remote-desktop client: one-finger swipe scrolls, tap clicks, hold to drag. Sidecar-style touch, anywhere.

把旧 iPad（iOS 12+）变成 Mac 的副屏：60 帧、触摸、数据线/Wi-Fi

Use your other Mac as a second display. One click, full screen, over a cable or Wi-Fi. Free and open source.

Your tablet. Your Mac's second screen. Wireless display for Mac on any Android tablet, by Imperial ECC.