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Tool
Category
Pricing
Free?
❤
MindStudio
No-code platform for building and deploying custom AI workers and agents
Best for: no-code
Microsoft Copilot Studio
Low-code platform for building custom Microsoft Copilot AI agents for business
Best for: Microsoft
LlamaIndex ✓
Framework for building production RAG systems and data-connected AI agents
Best for: rag
Rasa
Open-source conversational AI framework for building contextual dialogue agents
Best for: open-source
Voiceflow
Collaborative platform for designing and deploying voice and chat AI agents
Best for: voice-agents
Thoughtly
AI voice agent platform for building phone agents for sales and support
Best for: voice-agent
Braintrust
Enterprise AI evaluation platform for logging, testing, and improving agent quality
Best for: evaluation
Cassidy AI
Team AI workspace with knowledge-trained agents integrated into business tools
Best for: team-AI