✓
Tool
Category
Pricing
Free?
Updated
Steamship
AI Agents
Freemium
✓
Mar 2026
→
Cloud hosting platform for AI agents with built-in storage and multi-tenancy
Best for: agent-hosting
Julep
AI Agents
Freemium
✓
Mar 2026
→
Platform for building stateful, long-running AI agents with persistent memory
Best for: stateful
Rasa
AI Agents
Freemium
✓
Mar 2026
→
Open-source conversational AI framework for building contextual dialogue agents
Best for: open-source
PromptLayer
AI Agents
Freemium
✓
Mar 2026
→
Prompt management platform with logging and analytics for LLM API calls
Best for: prompt-management
Humanloop
AI Agents
Freemium
✓
Mar 2026
→
Collaborative platform for prompt management, evaluation, and LLM fine-tuning
Best for: prompt-management
Steel Browser
AI Agents
Freemium
✓
Mar 2026
→
Open-source browser API for AI agents with managed sessions and proxy support
Best for: browser-API
Browserless
AI Agents
Freemium
✓
Mar 2026
→
Cloud-hosted headless browser service for web automation and AI agent workflows
Best for: headless-browser
Langfuse
AI Agents
Freemium
✓
Mar 2026
→
Open-source LLM observability platform for tracing, debugging, and monitoring AI agents
Best for: observability
Relevance AI
AI Agents
Freemium
✓
Mar 2026
→
No-code platform for building and deploying AI agent teams for business
Best for: agents
Braintrust
AI Agents
Freemium
✓
Mar 2026
→
Enterprise AI evaluation platform for logging, testing, and improving agent quality
Best for: evaluation
Browserbase
AI Agents
Freemium
✓
Mar 2026
→
Cloud browser infrastructure for AI agents to automate web interactions at scale
Best for: browser-automation
Weights & Biases Weave
AI Agents
Freemium
✓
Mar 2026
→
W&B toolkit for tracing, evaluating, and improving AI agent applications
Best for: W&B