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Tool
Category
Pricing
Free?
Updated
Humanloop
AI Agents
Freemium
✓
Mar 2026
→
Collaborative platform for prompt management, evaluation, and LLM fine-tuning
Best for: prompt-management
GPT Engineer
AI Agents
Freemium
✓
Mar 2026
→
AI agent that builds entire software projects from natural language prompts
Best for: code-generation
ServiceNow AI Agents
AI Agents
From $1/mo
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Mar 2026
→
Enterprise AI agents for IT, HR, and service management workflows
Best for: servicenow