cat simulator

An interactive digital logic simulator to be used for teaching of logic design or testing simple digital designs.

OPC Simulator Server

M/M/1 Solver & Simulator solves and simulates the M/M/1 queuing system.

Pretty cool 3D lower level AI simulator. There is a food chain

EKTS is a simulator for designing Electromechanical Systems.

Virtual piano, guitar/banjo/mandolin, hammered dulcimer simulator & note mapper

Smooth Chorus Effect (AU, DX, RTAS and VST Plug-in) (Freeware)

Classic Flanging Effect Audio Plug-in (VST, AU, RTAS, DirectX) (Freeware)

Simple Mono, Stereo and Mid-Side MIDI Controllable Gain Plug-ins (VST, AU, RTAS,

Analog Modeled Phasing Effect Plug-in (VST, AU, RTAS, DX) (Freeware)