Draw hardware accelerated graphics using our Direct2D1 renderer and create transparent click-through windows.
Local webpage screen overlay for customizing your computing experience
Zero-config runtime diagnostics overlay for Android—CPU, memory, FPS, logs, network, crash logs, and one-tap bug reports
A Flutter plugin for floating/overlay windows on Android — pure Dart, no native code required.
Flutter plugin for displaying flutter app over other apps on the screen
transparent fullscreen on-top click-through WebKit web view, for making cool desktop HUDs
A flutter plugin to show Truecaller like overlay window, over all other apps along with callback events. In Android Go or Android 11 & above, this plugin shows notification bubble, in other android versions, it shows an overlay window.
An open-source Android floating lyrics app with synced LRC support for many music apps. 开源 Android 悬浮窗歌词，支持多种音乐 App 与同步 LRC。
A modern crosshair overlay app for Windows/Linux
Android floating screen with EditText. Always on Top of all Applications. Below app's EditText will also get response.
Display loading overlay/spinner for your application easily and beautifully.
Spectrum Visualiser. This is a real-time audio visualization application that captures audio from the system's loopback device and displays it visual as a spectrum analyzer. More colors and renderers.
Dota2 Timer tracker with Dota2 real-time GSI
FlowInk is a lightweight, free screen annotation (overlay drawing) tool designed specifically for Windows. It lets you draw, write, or scribble directly on top of any open application, desktop, or screen in real time.
A customizable desktop overlay application built with C# and .NET Framework
A sleek Android overlay app in Kotlin that places a custom floating pill widget over the device camera notch. Features live slider resizing, direct touch dragging with real-time sync, auto-scaling text sizes, dynamic color palettes, and full orientation responsiveness (auto-hides during landscape gaming/videos). Fully Android 14 compliant
📈CoinMonitor📉 Android crypto monitor with floating price tickers, watchlists, trending tokens, and a self-custody EVM & Solana wallet. Track Binance, OKX, and on-chain markets in one app. Android 加密货币监控工具，集成悬浮行情、自选列表、热门代币榜单及 EVM / Solana 多链自托管钱包，一站追踪 Binance、OKX 与链上市场动态。
安卓恶搞小工具：把 16 种手绘虫子放到屏幕最上层，会飞会爬会跳，戳它还会躲。纯 Canvas 绘制、无图片素材、不联网。
Au3VidOverlay allows to play Youtube videos as semi transparent fullscreen overlay above each window. So it's possible to do your work and to view your chosen video without switching windows.
A multi-function Twitch overlay for Windows: live chat, event alerts, viewer count, and in-app moderation. Transparent, click-through, fully customizable..
To associate your repository with the overlay-window topic, visit your repo's landing page and select "manage topics."