Play your favorite games in a borderless window; no more time consuming alt-tabs.

• UpdatedSep 5, 2025
• C#

GDI, OpenGL and Direct3D 9 re-implementation of the DirectDraw API for classic 2D games for better compatibility with Windows ME, 2000, XP, Vista, 7, 8, 10, 11, Wine (Linux/macOS/Android) and Virtual Machines

• UpdatedJul 3, 2025
• C

Qt Frameless Window for both Windows and OS X, support Aero Snap, drop shadow on Windows, and support Native Style such as round corner, drop shadow on OS X. Based on QMainWindow.

• UpdatedOct 2, 2023
• C++

A minimal borderless window with the Windows API

• UpdatedOct 27, 2023
• C

Smart context menu for all windows in the system

• UpdatedFeb 7, 2026
• C#

⚡ Unlock the frame rate in Dark Souls III.

• UpdatedJun 23, 2025
• C

Locks cursor to specified window and/or converts windows to borderless fullscreen, and prevents the cursor from spilling into another monitor

• UpdatedJan 19, 2026
• C

一款基于Qt/QWidget的无边框窗口框架，支持拖拽，缩放，阴影，桌面吸附等特性。

• UpdatedDec 25, 2024
• C++

Hide white toolbars in Unity on Windows. Get some space, save your eyes.

• UpdatedJan 19, 2024
• C#

Customize Toolbars and any EditorWindow with contextual modules

• UpdatedMay 14, 2022
• C#

Frameless Window Template Project for Windows OS

• UpdatedJan 1, 2025
• C++

A free and lightweight Windows utility for making any window borderless. Created as an open-source alternative to Borderless Gaming.

• UpdatedAug 29, 2025
• Rust

Fast and lightweight desktop image (pre)viewer featuring unusual minimalistic "transparent fullscreen overlay" UI/UX with controls similar to map apps

• UpdatedJan 30, 2026
• C

A Qt Widget based frameless main window lib, with full control over the whole screen. This lib is called qtf in short.

• UpdatedApr 20, 2021
• C++

Qt frameless window written in Go

• UpdatedDec 12, 2025
• Go

⚠️ Borderless Gaming portable for Windows

• UpdatedJan 27, 2022
• Go

🛹 Lay that Wall to Waste! (a game about shredding up the border wall)

• UpdatedNov 19, 2024
• Lua

a quick hack to make every game / window borderless

• UpdatedDec 7, 2018
• C#

Borderless Window Tool is a very simple tool that forces most application windows to borderless windowed mode and can optionally resize the window to full screen.

• UpdatedApr 28, 2023
• Pascal

Utility to help with borderless gaming on ultrawide monitors

• UpdatedOct 14, 2024
• C#