TimingDraw

TimingDraw is an interesting application which helps users edit digital and analog timing diagrams with extensive features.
TimingDraw allows designers, scientists, and students to specify and visualize timing diagrams. In contrast to other timing editors, TimingDraw has some outstanding features, for example quick edit functions.System requirementsProcessor: Intel/AMD 486/ Pentium I or better.
Memory 256 MB of RAM (512 MB or more recommended).
20 MB hard disk space
VGA or higher resolution monitor.
Mouse or other pointing device
Networks supported: Any Microsoft Windows compatible network
Limitations in the unregistered version30 days trial
Nag screen