Artillery vs Locust: licensing, GitHub activity, and what each is actually for. Neutral comparison, no paid rankings.
Artillery: Open source. 9,093 GitHub stars. Node.js load-testing toolkit supporting HTTP, WebSocket, Socket.io, and gRPC with scenario-based workload modeling and a plugin API.
Locust: Open source. 28,201 GitHub stars. Python-based scalable load testing tool with distributed testing support.