✓
Tool
Category
Pricing
Free?
Updated
PolyAI
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise voice AI agents for contact centers with human-like conversation quality
Best for: voice-AI
Observe.AI
AI Agents
From $1/mo
—
Mar 2026
→
AI contact center platform with real-time agent coaching and conversation intelligence
Best for: contact-center
Agency Swarm
AI Agents
Free
✓
Mar 2026
→
Open-source framework for creating collaborative AI agent networks with specialized roles
Best for: agency-swarm
Lyzr
AI Agents
Freemium
✓
Mar 2026
→
Enterprise AI agent studio with pre-built templates and on-premises deployment options
Best for: enterprise
AgentScope
AI Agents
Free
✓
Mar 2026
→
Fault-tolerant distributed multi-agent platform from Alibaba for production systems
Best for: multi-agent
Relevance AI
AI Agents
Freemium
✓
Mar 2026
→
No-code platform for building and deploying AI agent teams for business
Best for: agents
Smolagents
AI Agents
Free
✓
Mar 2026
→
Lightweight Hugging Face agent framework where LLMs write code to use tools
Best for: Hugging Face
ChatDev
AI Agents
Free
✓
Mar 2026
→
Multi-agent software company simulation where AI roles collaborate to build software
Best for: multi-agent
Steamship
AI Agents
Freemium
✓
Mar 2026
→
Cloud hosting platform for AI agents with built-in storage and multi-tenancy
Best for: agent-hosting
Kore.ai
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise conversational AI platform for customer and employee agent deployment
Best for: enterprise
Fixie AI
AI Agents
Freemium
✓
Mar 2026
→
Platform for building conversational AI agents with memory, tools, and deployable hosting
Best for: conversational
Browserless
AI Agents
Freemium
✓
Mar 2026
→
Cloud-hosted headless browser service for web automation and AI agent workflows
Best for: headless-browser
Artisan AI
AI Agents
From $750/mo
—
Mar 2026
→
AI-first sales platform with autonomous AI BDR agent for automated outbound
Best for: AI-BDR
Semantic Kernel
AI Agents
Free
✓
Mar 2026
→
Microsoft SDK for building AI agents with plugins and memory
Best for: semantic-kernel
Julep
AI Agents
Freemium
✓
Mar 2026
→
Platform for building stateful, long-running AI agents with persistent memory
Best for: stateful
Aisera
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise AI service desk agents for IT, HR, and customer support automation
Best for: enterprise
Wordware
AI Agents
Freemium
✓
Mar 2026
→
Collaborative AI IDE for building agents and workflows in a document-like interface
Best for: AI-IDE
Sierra AI
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise conversational AI for human-quality customer experience agents
Best for: enterprise
Langfuse
AI Agents
Freemium
✓
Mar 2026
→
Open-source LLM observability platform for tracing, debugging, and monitoring AI agents
Best for: observability
LangSmith
AI Agents
Freemium
✓
Mar 2026
→
Developer platform for debugging and monitoring LangChain-based AI agent applications
Best for: LangChain
Weights & Biases Weave
AI Agents
Freemium
✓
Mar 2026
→
W&B toolkit for tracing, evaluating, and improving AI agent applications
Best for: W&B
OpenAI Assistants API
AI Agents
Paid
—
Mar 2026
→
OpenAI managed API for building stateful AI agents with tools and persistent threads
Best for: OpenAI
Cognigy
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise conversational AI platform for building omnichannel customer service agents
Best for: enterprise
Gumloop
AI Agents
Freemium
✓
Mar 2026
→
No-code visual AI workflow builder for creating agents that browse, scrape, and automate
Best for: no-code
Vertex AI Reasoning Engine
AI Agents
Paid
—
Mar 2026
→
Google Cloud managed runtime for deploying and scaling AI agents in production
Best for: Google Cloud
Microsoft Copilot Studio
AI Agents
Freemium
✓
Mar 2026
→
Low-code platform for building custom Microsoft Copilot AI agents for business
Best for: Microsoft
TARS
AI Agents
From $499/mo
—
Mar 2026
→
Conversational AI agent builder for lead capture and customer service automation
Best for: chatbots
GPT Engineer
AI Agents
Freemium
✓
Mar 2026
→
AI agent that builds entire software projects from natural language prompts
Best for: code-generation
MindStudio
AI Agents
Freemium
✓
Mar 2026
→
No-code platform for building and deploying custom AI workers and agents
Best for: no-code
Rasa
AI Agents
Freemium
✓
Mar 2026
→
Open-source conversational AI framework for building contextual dialogue agents
Best for: open-source
Braintrust
AI Agents
Freemium
✓
Mar 2026
→
Enterprise AI evaluation platform for logging, testing, and improving agent quality
Best for: evaluation
DSPy
AI Agents
Free
✓
Mar 2026
→
Stanford framework for algorithmically optimizing LLM prompts and agent pipelines
Best for: DSPy
Cassidy AI
AI Agents
Freemium
✓
Mar 2026
→
Team AI workspace with knowledge-trained agents integrated into business tools
Best for: team-AI
Lindy
AI Agents
Freemium
✓
Mar 2026
→
No-code platform for creating personal AI employee agents for business automation
Best for: no-code
Yellow.ai
AI Agents
From $1/mo
—
Mar 2026
→
Enterprise conversational AI with dynamic agents across 35+ channels in 135+ languages
Best for: enterprise
AgentQL
AI Agents
Freemium
✓
Mar 2026
→
AI-powered web scraping using natural language queries instead of CSS selectors
Best for: web-scraping
Showing 50 of 100 tools — page 2 of 2