✓
Tool
Category
Pricing
Free?
Updated
GPT-Pilot
AI Agents
Free
✓
Mar 2026
→
AI developer agent that iteratively builds production apps with human collaboration
Best for: developer-agent
GPT Engineer
AI Agents
Freemium
✓
Mar 2026
→
AI agent that builds entire software projects from natural language prompts
Best for: code-generation
Questflow
AI Agents
Freemium
✓
Mar 2026
→
Natural language multi-agent workflow platform for business automation
Best for: multi-agent
Lyzr
AI Agents
Freemium
✓
Mar 2026
→
Enterprise AI agent studio with pre-built templates and on-premises deployment options
Best for: enterprise
Thoughtly
AI Agents
Freemium
✓
Mar 2026
→
AI voice agent platform for building phone agents for sales and support
Best for: voice-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
Gumloop
AI Agents
Freemium
✓
Mar 2026
→
No-code visual AI workflow builder for creating agents that browse, scrape, and automate
Best for: no-code
Levity
AI Agents
Freemium
✓
Mar 2026
→
No-code AI workflow platform for document processing and intelligent task automation
Best for: no-code
MindStudio
AI Agents
Freemium
✓
Mar 2026
→
No-code platform for building and deploying custom AI workers and agents
Best for: no-code
Lindy
AI Agents
Freemium
✓
Mar 2026
→
No-code platform for creating personal AI employee agents for business automation
Best for: no-code
Microsoft Copilot Studio
AI Agents
Freemium
✓
Mar 2026
→
Low-code platform for building custom Microsoft Copilot AI agents for business
Best for: Microsoft
Wordware
AI Agents
Freemium
✓
Mar 2026
→
Collaborative AI IDE for building agents and workflows in a document-like interface
Best for: AI-IDE
SWE-agent
AI Agents
Free
✓
Mar 2026
→
Research AI agent from Princeton that resolves GitHub issues by writing and testing code
Best for: software-engineering
Cassidy AI
AI Agents
Freemium
✓
Mar 2026
→
Team AI workspace with knowledge-trained agents integrated into business tools
Best for: team-AI
Zapier AI Agents
AI Agents
Freemium
✓
Mar 2026
→
Autonomous AI agents on Zapier with access to 6,000+ app integrations
Best for: Zapier
Semantic Kernel
AI Agents
Free
✓
Mar 2026
→
Microsoft SDK for building AI agents with plugins and memory
Best for: semantic-kernel
Helicone
AI Agents
Freemium
✓
Mar 2026
→
Open-source LLM proxy for logging, monitoring, and analyzing all AI API calls
Best for: LLM-proxy
PromptLayer
AI Agents
Freemium
✓
Mar 2026
→
Prompt management platform with logging and analytics for LLM API calls
Best for: prompt-management