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, 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.

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.

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。

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

📈CoinMonitor📉

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.

An easy to use Windows Overlay library written in modern C# with all the features you could ever need using Vortice and Direct2D

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

A lazy pug desktop pet for Windows — sits on your screen, follows your cursor, and naps