RandomReady
RANDOM.ORG
GeneratorMix
Random Number Generator
Randommer
Random-Required
Wheel of Names
GraphPad Random number generator
EasyCircuit
CircuitSim
Multisim
CircuitLab
DCACLab
bolt.new
LTspice
Diode
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
CircuitSim - Design and simulate electronic circuits in your browser. Full SPICE engine, 3,000+ components, schematic editor, and waveform charts. Free to get started.
GeneratorMix - A place with hundreds of generators split into different categories from science to entertainment.
Multisim - Multisim is industry standard SPICE simulation and circuit design software for analog, digital, and power electronics in education and research.
Random Number Generator - Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.
CircuitLab - Sketch, simulate, and share your circuits, entirely in your browser -- no install required.