Artillery vs JMeter: 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.
JMeter: Open source. 9,562 GitHub stars. Open source load testing tool for analyzing and measuring application performance.