GNUstep frees you to develop cross-platform applications without the work of developing an OS independent framework from scratch. It gives you lots of functionality, including Font Panels, Unicode strings, and even Distributed Objects.

GNUstep: A Framework suited for development of advanced GUI desktop applications or server applications; it is available on variety of platforms and architectures and allows to write portable code. GNUstep core closely follows Apple's Cocoa APIs.

Feb 11, 2025 · GNUstep is a cross-platform, object-oriented set of frameworks for desktop application development. This set of frameworks, based on Cocoa (previously OpenStep), enables developers to rapidly build sophisticated software by employing a large library of reusable software components.

Please ensure you have at least the Minimum version req'd of each of the following (where needed) on you system, before you install GNUstep. If you need to obtain the software, we suggest that you download the Recommended version.

The installer installs GNUstep onto most varieties of Windows (see below for tested installations) and sets up the computer to make it easy to run GNUstep applications. It was created with the NSIS installer. Read the Release Notes for the current packages.

Nov 11, 2007 · GNUstep is a cross-platform, object-oriented set of frameworks for desktop application development. The set of frameworks, based on Cocoa (previously OpenStep), enables developers to rapidly build sophisticated software by employing a large library of reusable software components.

Apr 14, 2020 · GNUstep is a free, object-oriented, cross-platform development environment that strives for simplicity and elegance. GNUstep is based on and completely compatible with the OpenStep specification developed by NeXT (now Apple Computer Inc.) as well as implementing many extensions included in Mac OS X/Cocoa.

Source Repositories Access Direct access to development of sources in in the repositories, with version control. Current development with history is accessible, not only releases. GNUstep has a GitHub Project Page where you can get sources using git, as browse the sources online or download a ZIP snapshot for each sub-project.

The GNUstep Database Library and The GNUstep 3D Kit are examples of two auxiliary projects that take OpenStep as the base API for extending into other areas; the former into database programming and the latter into 3D graphics.

Probably the best way to get started as a developer is to contribute additional regression tests for existing classes. You can find the testsuite in the GNUstep subversion repository.