A set of cross-platform Cocoa-compatible frameworks to easily build amazing apps and web services.

Learn more

Install GNUstep

Install GNUstep on your system, and get started in your IDE.

Installation and Setup
Customize

Customize GNUstep to suit your needs.

Guides/Customize/index
Learn Objective-C

Learn Objective-C, the preferred programming language for GNUstep. Build simple command-line tools.

Guides/ObjC/index
Build Apps

Build example apps to learn the GNUstep framework.

Building Apps with GORM
Port Apps

Bring your Mac apps to other platforms.

Guides/Port/index
API references

Browse the APIs available for your apps and tools to use.

API references