nPth is a non-preemptive threads implementation using an API very similar to the one known from GNU Pth. It has been designed as a replacement of GNU Pth for non-ancient operating systems. In contrast to GNU Pth is is based on the system's standard threads implementation. Thus nPth allows the use of libraries which are not compatible to GNU Pth.
The library is available as 32-bit and 64-bit: