NovaSynth by Noveum

NovaSynth by Noveum tests voice and chat agents before customers encounter them. Product Hunt says it simulates callers at scale with personas, scenarios, interruptions, noise, accents, and network conditions, then scores audio and transcripts across more than 30 dimensions. The official page says NovaSynth sends synthetic users at agents over SIP phone calls, LiveKit audio, and chat with goals, moods, accents, adversarial intent, and batch matrix runs. It is a high-quality infrastructure tool for teams that need to rehearse voice-agent failures and validate fixes end to end.