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AI Tools directory: 200+ tools ranked by who uses them · Lounge.ai

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AI Tools200

An AI tools directory grouped by subcategory. We seeded every subcategory; add the tools you use and claim the ones you build.

My stack + Add a tool

Subcategories

All200 Frontier models10 Open models10 Coding agents10 Vibe-coding10 Agent frameworks10 AI assistants10 Audio & voice10 Video10 Image10 Search & research10 Inference & infra10 Data & vector10 Evals & observability10 Fine-tuning10 Automation10 GTM & sales AI10 Support AI10 Legal, finance, HR AI10 Security10 Robotics & edge10

Pricing

Free tier Open source Usage-based Enterprise

ClearSort: most used · most upvoted · best reviewed · A–Z

Notion · AI assistants

AI agents, meeting notes and enterprise search inside Notion.

Included in Business planused by 0 builders+ Stack Open ↗

turbopuffer · Data & vector

Object-storage-backed vector and full-text search used by Cursor and Notion.

Usageused by 0 builders+ Stack Open ↗