Deskreen turns any device with a web browser into a secondary screen for your computer. ⭐️ Star to support our work!

Make your iPad/tablet/computer into a secondary monitor on Linux.

Turn your Android tablet into a second monitor on Linux (extend screen)

Use your iPad as a second screen for Windows. Mirror or extend over Wi-Fi or USB, with touch, keyboard, Apple Pencil and PC audio.

Open Screen Application Protocol + Open Screen Network Protocol

DS-inspired Pokégear and C-Gear companion mod for Pokémon Gen 1-3 in Gen1Recomp. Live maps, Pokédex, touch battle controls and local phone display on Android, Windows and Linux.

Presentation API

Remote Playback API

Deskreen fork - As if your screen is "echoing" on another device - Easy ScreenShare - Transform other devices into virtual displays.

Free second-screen companion for Anno 117: live economy stats, history, efficiency and alerts. One .exe, no mods, everything stays local.

用一根 USB 数据线把安卓手机/平板变成 Windows 的第二块显示器——是真扩展桌面而不是投屏镜像。端到端延迟实测 5–11 ms，支持触摸反控，拔线即摘屏。全部源代码由 AI 编写。

Turn spare screens into a real Windows display or hackable browser-native Deck.

A lightweight, customizable hardware monitor dashboard designed for second screens and tablets.

Turn iPhone, iPad, and Android into a second display for macOS / 将 iPhone、iPad 和 Android 变成 Mac 第二屏。Open source, local-first, HEVC, experimental high refresh.

An unofficial second-screen companion app for the game "No Man's Sky."

把手机外接的便携屏、以及 Galaxy Z Flip / Fold 的外屏变成真正能用的第二块屏：自适应旋转 · 双屏并发 · 副屏桌面与伪应用 · 内屏手势 · 外屏侧边栏与小组件

Bash Script for using android device as external monitor for Linux

Use an Android tablet as a low-latency Wayland display over USB

Turn a Tablet or Phone into a real extended display for Arch x11 platform over Wi-Fi or USB

Turn an Android phone into a real second display for a Mac over Wi-Fi, with touch and typing. Not screen mirroring: macOS registers a genuine virtual display.