GLFW is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan development on the desktop. It provides a simple API for creating windows, contexts and surfaces, receiving input and events.

GLFW is written in C and supports Windows, macOS, the X Window System and the Wayland protocol.

GLFW is licensed under the zlib/libpng license.

Gives you a window and OpenGL context with just two function calls
Support for OpenGL, OpenGL ES, Vulkan and related options, flags and extensions
Support for multiple windows, multiple monitors, high-DPI and gamma ramps
Support for keyboard, mouse, gamepad, time and window event input, via polling or callbacks
Comes with guides, a tutorial, reference documentation, examples and test programs
Open Source with an OSI-certified license allowing commercial use
Access to native objects and compile-time options for platform specific features
Community-maintained bindings for many different languages

No library can be perfect for everyone. If GLFW isn’t what you’re looking for, there are alternatives.

Delphi bindings added

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Erik van Bilsen has written the Delphi bindings DelphiGlfw that cover GLFW 3.2. They support Windows (32-bit and 64-bit) and macOS (32-bit) and come with HTML and HTML Help documentation.

D bindings released

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Mike Parker has released the D bindings bindbc-glfw that cover GLFW 3.3. They are @nogc and nothrow compatible and can be compiled for compatibility with -betterC.

C# wrapper released

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Eric Freed has released the cross-platform C# wrapper GLFW.NET that covers GLFW 3.2. It is built on .NET Standard 2.0.

See the news archive for older posts.