There are 1 repository under nextstep topic.
NeXTSTEP-like desktop environment for Linux
VirtualBox Video Driver for NEXTSTEP 3.3 and Rhapsody Developer Release 2
NeXTDimension
Sound Blaster 16 PCI Driver with an es1371 chip (VMware Fusion) for NEXTSTEP/OPENSTEP
:open_file_folder: Read and parse a NeXTSTEP property list file
A pure Python, cross-platform library/tool for reading Mac OS X and NeXTSTEP typedstream files
A (hopefully more active) mirror of an NeXTSTEP-like desktop environment for Linux. Looking at the location of the author, I fear the worse may have happened to them
:floppy_disk: Stringify and write a NeXTSTEP property list atomically
Rather private fork/continuation/resurrection of FSViewer.app with some fixes
A separate repository for the archival and development of OnESTEP, an open source remake of the NeXTSTEP/OpenSTEP operating systems, in par with the WacOS project. Written in Smalltalk & C, and part of the WacOS operating system project.