You can find the official version and licensing details at aescripts + aeplugins , which also offers a manager app for installation and updates. Volna 2 - aescripts.com
The plugin can synchronize its noise and movement parameters to audio rhythms, making it a popular choice for music visualizers. Workflow Benefits AEScripts Volna v2.0 for After Effects Full Ver...
Volna v2.0 is designed to reduce the time-consuming process of manually animating masks and paths. By centralizing randomize controls—such as offset, thickness, and rotation—into a single effect panel, artists can achieve a professional "hand-drawn" or "highly technical" look with a few clicks rather than complex keyframing. You can find the official version and licensing
Seamlessly transition between two different mask shapes with multiple intermediate iterations. and rotation—into a single effect panel