Andras Ketzer announced that from 17 Aug 2021, both NinjaTools and NinjaLive are officially available for free for students. The free version is available for every student through an automated process (no verification or validation) via the official Ninja community Discord group.
For those of you unfamiliar with the project, it is a real-time, responsive 2D fluid simulation system for PC and mobile apps. The toolkit supports Volumetric Fog, Smoke and Clouds, Niagara Systems, Preset, and Memory Management. More details are available via the official marketplace page.