Listed alphabetically. A tool is ranked by its reviews once it has 3.
| Tool | Reviews | Lowest paid plan | Free plan | Free trial | Public API | Runs on | Main features |
|---|---|---|---|---|---|---|---|
 CrewAIThe enterprise agent build and runtime for the work your business runs on | ReviewsNone yetWrite one for CrewAI | Lowest paid planSee plans | Free planYes | Free trialYes | Public APIYes | Runs onNot confirmed | Main features
|
 DevinAutonomous AI software engineer that runs in the cloud or on your machine | ReviewsNone yetWrite one for Devin | Lowest paid plan$20per monthPro, as of October 19, 2026 | Free planYes | Free trialNot confirmed | Public APIYes | Runs on | |
 DifyThe platform for production-ready agentic workflows. | ReviewsNone yetWrite one for Dify | Lowest paid planSee plans | Free planYes | Free trialNot confirmed | Public APIYes | Runs onWeb | |
 DustMultiplayer AI for human-agent collaboration, connected to your company knowledge, tools, and teams | ReviewsNone yetWrite one for Dust | Lowest paid plan$24per seat per month, billed yearlyPro, as of October 23, 2026 | Free planYes | Free trialNot confirmed | Public APIYes | ||
| FlowiseOpen source generative AI development platform for building AI agents, LLM orchestration, and more | ReviewsNone yetWrite one for Flowise | Lowest paid plan$35per monthStarter, as of October 28, 2026 | Free planYes | Free trialNot confirmed | Public APIYes | ||
 MakeBuild and manage AI agents and automations in one visual landscape | ReviewsNone yetWrite one for Make | Lowest paid planNot confirmed | Free planYes | Free trialNot confirmed | Public APIYes | Runs onNot confirmed | |
 ManusAction engine that goes beyond answers to execute tasks and automate workflows | ReviewsNone yetWrite one for Manus | Lowest paid planNot confirmed | Free planYes | Free trialYes | Public APIYes | ||
 Zapier AgentsCreate AI teammates that do work across 9,000+ apps, on command and while you sleep | ReviewsNone yetWrite one for Zapier Agents | Lowest paid planSee plans | Free planYes | Free trialNot confirmed | Public APINot confirmed | Runs onChrome extension | Main features |
From each tool's own website. “Not confirmed” means we couldn't confirm it there, not that the tool doesn't have it. Each tool's page says when its facts were checked.
How this list is made
A tool is listed here only when we've confirmed on its own website that it has a free plan. Tools we couldn't confirm it for are left out, even if they may have it. Vendors can't pay for a place on this list. Add a tool we missed