Best 43 AI Knowledge Graph Tools in 2026

MRCPsych revision; mobile-first

The unified data layer for humans and AI.

Pathoura is an AI-powered, multilingual museum audio-guide platform that helps museums create, manage, and deliver high-quality tours.

CompareHeights lets you create stunning height comparison chart effortlessly, comparing heights of people, celebrities, animals, buildings & any objects, export & share beautiful visualizations.🎨📐

VoiceBrief turns PDFs into 1-3 hour lectures, not 15-min summaries. Chat with AI, create flashcards, and learn by listening. Full coverage.

MathAI is a free math solver that provides instant, accurate solutions without signup.

The Attic AI transforms unstructured data into secure, searchable knowledge, empowering enterprises to streamline access, boost productivity, and thrive in distributed work.

With Thea, you don't just memorize—you truly understand and master every concept. Thea transforms learning from rote repetition into deep comprehension, ensuring lasting knowledge retention.

Ditch the cramming with Cramify! Our smart platform transforms your notes into personalized study guides, making exam prep effortless. Unlock more college opportunities with Cramify's intelligent learning features.

The world's most comprehensive interactive periodic table with 40+ languages, detailed element properties, electron configurations, oxidation states, 3D orbitals, and advanced visualization tools for students, educators, and researchers.

Orma transforms how you capture, understand, and interact with online information. Turn every webpage into a building block for your personal knowledge base.

Discover, compare, and learn with GoodLearns. Find the best prices on courses, read authentic reviews, and plan your learning journey with our AI Roadmap Builder - all in one place.

Transform your education with StudyBoosterAI! Experience personalized learning, powerful memory techniques, and exam mastery with our AI companion. Start your FREE 7-Day Trial today!

Learn 30+ Languages with SpeakPal – Fast, Fun, and Effective! SpeakPal Makes It Easy!

Discover our AI-powered companion app for kids—safe, ad-free, and COPPA-compliant. Enjoy 1,000+ themes, creative learning, and parent reports that track growth and spark imagination

LearniAI transforms your learning journey with AI-powered tools and visual knowledge building, making studying smarter, faster, and more engaging.

Journal with History's Greatest Minds

Your smart nutrition assistant on whatsapp

Get help from your AI co-founder and build your startup without any risk.

Stempad: Revolutionize your STEM note-taking—type complex equations, run code, draw circuits, and get AI-powered help, all in one intuitive platform.

Boost your language skills through immersive, AI-powered role-play scenarios

Trusted by 5M+ students & teachers worldwide. Import your Quizlets to Knowt and unlock unlimited learn modes, matching games & advanced study tools. Start studying smarter today!

Newt lets you read, write, and listen to any book—with an AI assistant built into every story.

Turnitin empowers educators with cutting-edge integrity and assessment tools to enhance student success, amplify teaching impact, and safeguard institutional reputation.

Create infinite Mind Maps using AI. Totally free!

Gatsbi is an AI agent dedicated to research innovation and scientific paper writing, from ideation to research modeling.

Discovery Outcomes: Your AI-powered GTM Agent that transforms market intelligence into actionable revenue strategies, accelerating go-to-market success through intelligent automation.

Concept Map helps knowledge workers visualize the big picture instantly. Create AI-powered concept maps in seconds to organize complex ideas and see connections clearly.

Automatic everything for your study.

Solve Complex Problems, Evaluate Performance, and Lead Teams with Data-Driven Frameworks

It’s an all-in-one SaaS platform to generate AI content

Constella transforms note-taking: your ultimate Second Brain app displays relevant notes as you type, visually connecting ideas and empowering deeper knowledge building—everything effortlessly at your fingertips.

Drag files into the search box or click Upload Files to let BioloGPT analyze your data with advanced AI-powered insights for biological research and discovery.

Explore our Addition Charts collection featuring free, interactive and printable resources. Perfect for students, parents and educators with colorful PDFs and engaging visuals.

Transform text into professional UML diagrams instantly with RapidChart. Generate class diagrams, ER diagrams, and more using AI. Fast, intuitive, and powerful diagram creation at your fingertips.