Below is a live 3D swarm. Each ant follows three tiny rules - keep your distance, match your neighbours, stay with the group - and drifts toward food. From those local rules alone, coherent living paths emerge, marked by fading pheromone trails. This is stigmergy: intelligence written into the environment, not into any one mind.

Weaver ants stitch living leaf-nests together with no architect. The colony computes what no single ant could - the classic proof that intelligence can be collective.
Ants leave pheromone. Others follow and reinforce it. The path that works gets stronger; the rest evaporate. The environment becomes a shared memory.
DarwinX turns this into engineering: many agents reason in parallel, leave traces in a shared memory (the filesystem), and converge - coordination without a central chief.
Live boids simulation with pheromone trails. Runs memory-safely: fixed buffers, no per-frame allocation, pauses when hidden, frees the GPU on leave.