The AI Tools Directory

All-in-one workspace that combines notes, docs, wikis, project management, and databases into a highly customizable platform for individuals and teams to organize everything.

AI writing assistant built directly into Notion workspace that helps users create, edit, and summarize content without leaving their notes.

AI-assisted long-form fiction writing platform with story consistency tracking and world-building tools

Powerful local-first knowledge base and note-taking app with bidirectional linking, graph view, and extensive AI plugin ecosystem for building a personal knowledge management system.

Healthcare AI unicorn for hospital back-office automation (billing, prior authorization, revenue cycle). Raised $1B, valued at $4B, deployed in 900 hospitals. Shut down Oct 2023.

Open-source AI wearable device that continuously records, transcribes, and summarizes conversations. Can be worn as a necklace or attached to the head, features experimental brain-computer interface for hands-free activation.

Leading AI API platform providing GPT models including GPT-4o, o1, and specialized models for chat, code generation, embeddings, and multimodal applications.

AI-powered video repurposing tool that automatically identifies and extracts viral-worthy short clips from long-form videos with captions and editing.

Real-time AI transcription service that records audio, writes notes, and generates meeting summaries automatically.

AI-powered sales engagement platform that automates prospecting workflows, optimizes multi-channel outreach, and provides revenue intelligence to help sales teams build pipeline and close deals faster.

Leading AI-powered search engine that provides direct answers with real-time web citations, combining search and conversational AI.

AI search engine specifically designed for developers, providing instant answers to programming questions with code examples and technical documentation.