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Free AI Tools Directory

Search the Free AI Tools Directory

Filter curated free, freemium, and open-source AI tools by workflow, category, pricing, and practical free-plan signals.

Tip: Start with tools that match your workflow, then compare free limits, signup requirements, output rights, and alternatives before paying for a plan.

Matching AI tools

Relevance AI AI tool logo and listing card previewRelevance AI AI tool logo and listing card logo
Freemium Score 7.0/10

Relevance AI

Relevance AI is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit Relevance AI
MindStudio AI tool logo and listing card previewMindStudio AI tool logo and listing card logo
Freemium Score 7.0/10

MindStudio

MindStudio is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit MindStudio
Flowise AI tool logo and listing card previewFlowise AI tool logo and listing card logo
Open Source Score 9.0/10

Flowise

Flowise is an AI tool for automation or agent-building platform.

Open Source Local & Open Source AI Compare free-plan limits on the tool… Score 9.0/10Checked 2026-05-06
Needs reviewMFAS 93/100Checked 2026-05-06
Open sourceBrowser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit Flowise
Dify AI tool logo and listing card previewDify AI tool logo and listing card logo
Freemium Score 7.0/10

Dify

Dify is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit Dify
LangGraph AI tool logo and listing card previewLangGraph AI tool logo and listing card logo
Freemium Score 7.0/10

LangGraph

LangGraph is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit LangGraph
Open Source Score 8.7/10

LangChain

Automation or agent-building platform for connecting apps, running workflows, and building AI agents.

Open Source Local & Open Source AI Compare free-plan limits on the tool… Score 8.7/10Checked 2026-05-09 13:22:57
VerifiedMFAS 98/100Checked 2026-05-09 13:22:57
Open sourceOfficial site
✓Useful free-plan comparison; Category-specific workflow support; Alternatives and official links
Details → Visit LangChain
LlamaIndex local & open source ai logo previewLlamaIndex local & open source ai logo logo
Open Source Score 8.7/10

LlamaIndex

Automation or agent-building platform for connecting apps, running workflows, and building AI agents.

Open Source Local & Open Source AI Compare free-plan limits on the tool… Score 8.7/10Checked 2026-05-09 13:22:57
VerifiedMFAS 98/100Checked 2026-05-09 13:22:57
Open sourceOfficial site
✓Useful free-plan comparison; Category-specific workflow support; Alternatives and official links
Details → Visit LlamaIndex
CrewAI AI tool logo and listing card previewCrewAI AI tool logo and listing card logo
Freemium Score 7.0/10

CrewAI

CrewAI is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit CrewAI
Pipedream AI tool logo and listing card previewPipedream AI tool logo and listing card logo
Freemium Score 7.0/10

Pipedream

Pipedream is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit Pipedream
Activepieces AI tool logo and listing card previewActivepieces AI tool logo and listing card logo
Freemium Score 7.0/10

Activepieces

Activepieces is an AI tool for automation or agent-building platform.

Freemium AI Automation & Agents Compare free-plan limits on the tool… Score 7.0/10Checked 2026-05-06
Needs reviewMFAS 83/100Checked 2026-05-06
Browser-basedOfficial site
✓Useful free-plan comparison
✓Category-specific workflow support
Details → Visit Activepieces