UPV
http://www.ocera.org Ocera Project
http://rtportal.upv.es RTPortal
RTOS
http://www.fsmlabs.com RTLinux official page
http://os.inf.tu-dresden.de/fiasco/ Fiasco microKernel
http://www.rtai.org RTAI
TOOLS
http://sources.redhat.com/gdb/ GDB Linux Debugger
http://www.microway.com.au/compuware/softice.stm SoftIce Page. (Win32 Kernel Debugger)
http://www.datarescue.com/idabase/ Ida Pro the Best Disassembler
Ocera (Open Components for Embedded Real-Time Applications, is an European project, based on Open Source, which provides an integrated execution environment for embedded real-time applications. Ocera combines the use of two kernels, Linux and RTLinux-GPL to provide support for critical tasks and soft real-time applications.