Open-source personal AI assistant and second brain across documents, desktop, and the web
Full evaluationAI tools directory · 707 reviewed
Find the right AI tool
Describe the job, or filter by category, pricing, and score. Every profile carries a verdict, limitations, pricing context, evidence, and a review date.
Private, AI-powered second brain for notes, bookmarks, articles, and visual inspiration
Full evaluation
Note-taking and productivity app with AI assistance, search, and capture tools
Full evaluation
AI note-taking and task assistant designed to reduce distraction and context switching for busy minds.
Full evaluation
Private, flexible Markdown note-taking and personal knowledge base stored locally on your device.
Full evaluation
An object-based personal knowledge studio that links ideas, notes, and tasks without nested folder structures.
Full evaluation
Networked note-taking app with end-to-end encryption and an integrated AI assistant
Full evaluation
AI knowledge base that summarizes, organizes, and connects your saved content and notes
Full evaluation
Privacy-first, open-source outliner and local knowledge base with bidirectional linking
Full evaluation
Visual workspace combining structured notes, daily tasks, whiteboards, and AI writing assistance.
Full evaluation
Highlight aggregator and reading companion that resurfaces notes using spaced repetition and syncs to knowledge bases.
Full evaluation
AI productivity assistant embedded across Microsoft 365 apps and work data
Full evaluation
Context-aware AI network connecting tasks, docs, people, and company knowledge.
Full evaluation
Permission-aware generative AI and agents for enterprise content inside Box
Full evaluation
AI writing, search, and task assistance inside a connected workspace and knowledge base.
Full evaluation
Visual knowledge base and AI tutor combining whiteboards, cards, and source annotations.
Full evaluation
Generative AI assistant and research partner integrated directly into Google Workspace apps
Full evaluation
Enterprise AI platform and language models for private cloud and VPC deployment
Full evaluation
All-in-one collaborative workspace combining documents, connected databases, automated workflows, and embedded AI.
Full evaluation
AI-powered enterprise search and work hub technology acquired by ClickUp
Full evaluation
Native generative AI for channel recaps, thread summaries, enterprise search, and agent workflows inside Slack.
Full evaluation
Connected workspace for team documentation, company knowledge, and AI-assisted collaboration.
Full evaluation
Open-source enterprise search and AI assistant connected to internal docs, apps, and people
Full evaluation
Agentic AI assistant platform for enterprise search, employee support, and workflow automation
Full evaluation