MarkovJunior is a probabilistic programming language where programs are combinations of rewrite rules and inference is performed via constraint propagation
Lenia - Mathematical Life Forms; Lenia is a 2D cellular automata with continuous space, time and states. It produces a huge variety of interesting life forms
D-POINT is an open-source digital stylus that uses camera tracking and inertial measurements to achieve 6DoF (six degrees of freedom) inputs, with low latency, pressure sensitivity, and sub-millimetre accuracy