TSNet-TS (tsnet-ts) is a free online water hammer calculator and transient simulation tool for pressure surge and hydraulic transient analysis of water distribution networks. It is a TypeScript port of TSNet that runs Method of Characteristics (MOC) pipeline transient simulation on EPANET .inp files entirely in your browser.
Features include valve closure, pump trip, pipe burst, demand pulse, and surge tank scenarios. JavaScript is required to use the interactive simulator.