AI agents and automation
Agent platforms, workflow automation with AI steps and frameworks for building agents.
- n8n n8n
Workflow automation with AI agent steps, self-hostable under a fair-code licence.
Free plan + paid Open source API - Zapier Zapier
Connects thousands of apps with automations and AI agents, no code needed.
Free plan + paid API - Make Make (Celonis)
Visual workflow automation with AI agents, built as flowcharts of app modules.
Free plan + paid API - Manus Manus
A general AI agent that researches, browses and builds things in its own cloud computer.
Free plan + paid API - LangChain LangChain
Open source frameworks for LLM apps and agents (LangChain, LangGraph) plus LangSmith for tracing.
Free Open source API - CrewAI CrewAI
An open source Python framework for teams of AI agents with roles, plus a hosted platform.
Free plan + paid Open source API - Claude Agent SDK Anthropic
The agent loop behind Claude Code as a TypeScript and Python library, with tools, skills, MCP and subagents.
Pay per use API - Claude Code Anthropic
Anthropic’s coding agent: it reads your codebase, edits files, runs commands and opens PRs, in the terminal, IDE, desktop and web.
Paid API - OpenAI Codex OpenAI
OpenAI’s coding agent, in ChatGPT, a terminal CLI and IDE extensions, that works on tasks in the cloud or locally.
Paid Open source API - Devin Cognition
An autonomous software engineer that takes tickets, works in its own cloud environment and opens pull requests.
Paid API
At a glance
| Tool | Maker | Pricing | Open source | API | Where |
|---|---|---|---|---|---|
| n8n | Free plan + paid | Web, Self-hosted | |||
| Zapier | Free plan + paid | Web | |||
| Make (Celonis) | Free plan + paid | Web | |||
| Manus | Free plan + paid | Web, Mobile | |||
| LangChain | Free | API, Self-hosted | |||
| CrewAI | Free plan + paid | API, Self-hosted | |||
| Anthropic | Pay per use | API | |||
| Anthropic | Paid | Terminal, IDE, Desktop, Web | |||
| OpenAI | Paid | Terminal, IDE, Web | |||
| Cognition | Paid | Web |