✓
Tool
Category
Pricing
Free?
Updated
Voiceflow
AI Agents
Freemium
✓
Mar 2026
→
Collaborative platform for designing and deploying voice and chat AI agents
Best for: voice-agents
Thoughtly
AI Agents
Freemium
✓
Mar 2026
→
AI voice agent platform for building phone agents for sales and support
Best for: voice-agent
Browserbase
AI Agents
Freemium
✓
Mar 2026
→
Cloud browser infrastructure for AI agents to automate web interactions at scale
Best for: browser-automation
Steel Browser
AI Agents
Freemium
✓
Mar 2026
→
Open-source browser API for AI agents with managed sessions and proxy support
Best for: browser-API
Exa AI
AI Agents
Freemium
✓
Mar 2026
→
Semantic search engine and API for AI agents using embedding-based retrieval
Best for: semantic-search
Microsoft Copilot Studio
AI Agents
Freemium
✓
Mar 2026
→
Low-code platform for building custom Microsoft Copilot AI agents for business
Best for: Microsoft