https://www.blendermarket.com/products/flipfluids this addon simulates realistic liquids. great effects for water, blood, etc
GitHub Source: https://github.com/rlguy/Blender-FLIP-Fluids Building and Installing the Blender FLIP-Fluids Addon from Source & Here are the builts (win, lnx) from source add-on of Flip Fluids for Blender (Aug 17, 2018)