This Realflow tutorial shows how to make a stable animation for viscous liquids.
RealFlow RenderKit 2014
Next Limit have announced the release of the RealFlow RenderKit 2014 which is free for everyone.
RealFlow 2014 Sneak Previews
Next Limit has begun to release sneak-previews of RealFlow 2014, due to be released shortly.
RealFlow 2013 Review
Max Underground have written an in-depth review of RealFlow 2013, Next Limit's fluid dynamics software.