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 to get started.

Customize

Customize GNUstep to suit your needs.

Learn Objective-C

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

Build Apps

Build example apps to learn the GNUstep framework.

Port Apps

Bring your Mac apps to other platforms.

API references

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