OpenGreet

VoiceBun is an open source, no-code voice-agent builder that lets you create, configure, and deploy AI-powered conversational assistants entirely via natural-language prompts. It combines speech-to-text, large-language models, and text-to-speech into a unified platform where you define your agent’s goals, initial greeting, tool integrations and data sources; VoiceBun automatically generates the underlying conversational logic, state management and API connectors needed to handle inbound and outbound calls for support, scheduling, lead qualification and more. The web-based interface gives you mobile-friendly access and isolated deployments through user-specific subdomains, while built-in analytics surface call transcripts, usage metrics, success rates, and sentiment trends. Integration includes options for telephony, webhook actions for external workflows, and role-based access controls with encrypted credentials for enterprise security.

Callvio is an AI-powered virtual receptionist designed to answer, schedule, and manage customer calls 24/7, ensuring businesses never miss an opportunity. It handles multiple calls simultaneously with advanced concurrency management and offers instant appointment scheduling that syncs with your calendar in real-time. The platform supports multilingual interactions, custom greetings, and real-time call transcription for seamless communication. Callvio provides detailed live dashboards and sentiment analysis to monitor customer satisfaction and call performance. Trusted by over 500 businesses worldwide, it boasts a 98% call answer rate and significantly boosts appointments. With easy setup, flexible plans, and seamless integration with existing phone systems, Callvio transforms business communication.