Threading, Signalling and Parallel-Programming Libraries
- NPTL (Native POSIX Thread Library. Project to improve the POSIX threading for the GNU C library and the Linux kernel. License: LGPL) (announcement v0.1)
- Protothreads (Stackless threading library for memory constrained systems, such as embedded systems. License: BSD-style)
- NGPT (Next Generation POSIX Threads. Variant of the GNU Pthread threading library with several POSIX compliant enchangements. License: LGPL) (cvs) (ml)
- State-Threads (Threading library with an 'event-driven state machine architecture'. License: GPL or MPL) (ml)