Knowledge Graph Notes
The best 50 Knowledge Graph Notes AI tools - Free & Paid
Explore 50 AI for Knowledge Graph Notes
The StoryGraph is an AI-powered reading platform utilizing machine learning. It offers personalized book recommendations, stats tracking, customizable selections, mood/theme filters, live reactions, reading challenges, and content warnings for an immersive reading experience.
Free
Reflect Notes uses GPT‑4 and Whisper to transcribe speech, summarize meetings, outline articles, and stores notes as a graph with backlinks. It syncs cross‑platform, encrypts end‑to‑end, and integrates browsers, Kindle, Readwise, Google Calendar, Outlook, Zapier, and APIs for automation.
Subscription
Knowt turns uploaded PDFs, slides, videos, or audio into interactive study aids. AI generates summaries, flashcards, quizzes, and spaced‑repetition decks, supporting STEM, humanities, languages, and exam prep. Teachers can import Quizlet sets and track class progress.
Free
Notion AI is an integrated AI tool that automates tasks, generates summaries and offers writing assistance within the Notion drag-and-drop text editor. A free trial is available with an add-on subscription for unlimited usage.
Freemium
Gnothi is an AI notebook that lets users record entries with custom fields, tracks patterns, and auto‑summarizes long content. It offers keyword identification, personalized book suggestions, and tagging for organized reflection and goal setting.
Free
Graphite Note is a user-friendly, no-code predictive analytics tool for cross-industry teams. It delivers accurate predictions (outcomes, lead conversions), analyzes customer behavior, creates personalized marketing strategies, optimizes campaigns, and forecasts demand, simplifying complex data ana
Paid
GoodNotes is a digital notebook that records voice, text, or handwriting and supports collaboration. AI transcribes audio, summarizes meetings, turns notes into searchable flashcards, and syncs audio to slides for students and teachers across iOS, macOS, Windows, Android, and Web.
Freemium
- $0.58/mo
Curiosity unifies enterprise data into a knowledge graph, enabling AI‑powered search and assistants across legacy and modern systems. It deploys on‑premises for GDPR compliance, offers fast hybrid search, and reduces response times and error rates.
Subscription
ThinkerNotes is an AI tool that simplifies content brainstorming by gathering, organizing, and connecting insights from multiple sources to combat writer's block and enhance idea discovery for unique content creation.
Freemium
Grokipedia is an AI-driven knowledge base featuring over 885,279 articles and a user-friendly search function. It offers multiple themes and an intuitive interface to facilitate efficient research across a wide range of topics.
Free
InfraNodus visualizes text analysis by building knowledge graphs from PDFs, markdown, CSV, social media, and web data. It offers topic modeling, sentiment, keyword extraction, and API/browser‑extension/Obsidian integration to help researchers, marketers, and SEOs uncover relationships, gaps, and ide
Subscription
- $12/mo
Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.
Freemium
Mindgrasp converts PDFs, documents, audio, video, and URLs into organized study assets. It auto‑creates notes, summaries, flashcards, and quizzes, and offers a 24/7 AI tutor and real‑time progress tracking across devices for students and professionals.
Freemium
- $6.99/mo
Supermemory unifies user profiling, a vector memory graph, and rapid retrieval into a single API, extracting PDFs, web pages, images, and syncing from Notion, Slack, Google Drive, Gmail, S3. It integrates via TypeScript, Python, or REST.
Freemium
- $19/mo
Audionotes AI tool for effortless voice-to-text conversion, organization, summarization, and content generation.
Freemium
HoverNotes is an AI browser extension that enhances note-taking for videos by capturing key concepts, screenshots, and timestamps. It integrates with Obsidian for organized storage, making it ideal for students and professionals engaged in technical subjects.
Free trial
GoSearch consolidates indexed and non‑indexed data from 100+ apps, letting teams query across email, chat, documents, and private files with AI assistants. It automates routine tasks through custom agents, enforces granular security, and supports multiple LLMs for unified enterprise knowledge.
Freemium
- $20/mo
Pixno uses GPT‑4 Vision to extract text, charts, and audio from photos, PDFs, and lecture slides. It summarizes, translates, generates Q&A, exports to Notion, Obsidian, Google Docs, and syncs across devices for real‑time collaboration.
Freemium
- $3/mo
Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."
Freemium
- $20
AI‑powered notes integrated into Trello, eliminating external tools. Built‑in ChatGPT creates context, summaries, and drafts. Embeds directly on cards, reducing clutter, automates persona creation, expands annotations, streamlining task management and stakeholder communication.
Freemium
TheBrain is an AI‑enabled mind‑mapping platform that integrates ChatGPT for real‑time idea generation and refinement. It captures ideas quickly, visually organizes them, auto‑creates detailed notes, and lets users edit or discard branches with one‑click actions across iOS, Android, and web.
Freemium
Connected Papers visualizes academic literature as a graph, letting users enter a paper and instantly see related works, citation paths, and trends. It aids in building bibliographies, spotting gaps, and finding recent research.
Freemium
Glean indexes content from 100+ business apps—including Slack, Teams, Gmail, Salesforce, and SharePoint—to deliver a unified search experience. Its AI assistant retrieves documents and emails based on user context, while Agent Builder automates repetitive tasks. Security controls safeguard sensitive
Subscription
Heptabase is a visual note-taking and knowledge management tool that enables users to create interconnected notes across various formats, annotate PDFs, and collaborate in real-time, enhancing the organization and understanding of complex topics.
Free trial
Grok is a conversational AI and multimodal chatbot developed by xAI, Grok is designed to enhance user interaction by providing answers to a wide range of questions, including those that might be considered "spicy" or controversial, which other AI systems typically avoid
Freemium
NoteGPT transcribes and summarizes lectures, meetings, and recordings in any language, offering PDF/PPT/book/video overviews, translation, and AI drafting tools. It also supports text‑to‑speech, voice cloning, infographics, slide generation, and multi‑model chat assistance.
Free trial
- $9/mo
Genspark unifies inbox, workflows, and collaboration into one AI workspace, offering a 1‑million‑token context window, voice‑to‑text, auto‑meeting notes, and Chrome extensions for instant summarization and task automation across WhatsApp, Slack, and Teams.
Freemium
Knowmax consolidates support content into a single source of truth, offering AI‑powered search, guided decision trees, and visual how‑to guides. It lets CX agents retrieve contextual answers across channels, reducing handling time, boosting first‑contact resolution, and easing onboarding.
Freemium
Capacities is a note-taking app that organizes thoughts through intuitive objects, fostering collaboration among users. It supports various content types and ensures user privacy with GDPR compliance, enhancing productivity in personal and team environments.
Free trial
AI Homework Helper lets students upload documents, notes, and webpages to chat with the AI, generate quizzes, flashcards, and concise notes, convert lectures into podcasts, transcribe sessions, and solve problems via a Chrome extension across many subjects.
Freemium
AlphaNotes turns YouTube videos, articles, and lectures into structured summaries and study notes. It extracts key points, simplifies concepts, and creates PDF exports, quizzes, and assessments—all via real‑time ChatGPT integration.
Freemium
ThetaWave AI captures lecture audio, YouTube videos, and documents, transcribing them into searchable notes with tables, formulas, and charts. It generates quizzes, flashcards, mind maps, podcasts, and videos for flexible review.
Free
Gnod is an AI‑powered discovery platform that recommends music, art, literature, and movies tailored to user preferences. It provides visual itineraries linking cultural suggestions to travel destinations and features an AI‑driven product browsing chart.
Freemium
Lettria transforms unstructured PDFs into structured knowledge graphs, enabling precise, traceable answers in regulated sectors. Its NLP modules extract tables, diagrams, entities, and relationships, combining graph retrieval with vector search to improve accuracy and support audit‑ready compliance
Freemium
Knowee Writer assists academic writing by generating outlines, auto‑completing sentences, refining drafts, and producing citation lists in APA, MLA, Chicago, Harvard, and IEEE. Users can upload PDFs or search Google Scholar for verified sources.
Freemium
Qwen Chat AI assistant that provides access to Qwen LLM models and can be used by content creators, developers, and researchers, offering web and image searches, artifact management, and more to enhance productivity.
Speechnotes is a web‑based speech‑to‑text tool for real‑time dictation and batch transcription in multiple languages. It offers speaker tagging, timestamps, subtitle export, and imports from Google Drive, YouTube, or local files. Export to text, markdown, PDF while preserving privacy.
Freemium
- $1.9/mo
Noteey is an infinite-canvas visual knowledge manager combining notes, mind maps, flowcharts and moodboards with multimedia support, timestamped audio/video transcripts and summaries, PDF annotation, database-style organization, offline storage, and presentation/drawing tools.
Cross‑platform personal knowledge manager consolidating notes, bookmarks, articles, images, and quotes into one private space. Auto‑classifies content, generates AI summaries, and enables search by color, keyword, brand, or date. Real‑time sync across iOS, Android, macOS, Chrome, Edge, and Safari.
Subscription
- $24.92/mo
Reflect is an AI‑powered note‑taking platform that transcribes voice, generates outlines, extracts takeaways, and links notes via backlinks to create a searchable knowledge graph. It syncs web clips, Kindle highlights, and calendars, and provides end‑to‑end encryption and an export API.
Subscription
- $0.83/mo
Craft is a cross‑platform workspace that lets users draft, organize, and publish content while synchronizing notes, tasks, calendar items, and whiteboards. It embeds AI writing assistance and integrates with Claude, ChatGPT, VS Code, and Apple Shortcuts.
Subscription
- $8/mo
Knowbase.ai turns PDFs, Word, PowerPoint, text, audio, video, and YouTube links into a searchable knowledge base, delivering AI‑generated answers with source citations. It supports chat with individual documents or all files, transcription with speaker ID, multilingual use, and private data handling
Free trial
Nexus Notes offers students access to diverse study materials, including verified notes and tools for quiz and essay generation. It fosters community interaction, allowing users to share insights and monetize their own notes for collaborative learning.
Subscription
Notis is a voice-powered productivity tool that integrates with Notion, allowing users to transcribe, organize, and retrieve information on the go. It helps manage tasks, automate note-taking, track expenses, and streamline customer relationship management.
Freemium
StudyFetch converts uploaded course materials into a structured learning system, generating personalized study schedules, milestone plans, quizzes, flashcards, and interactive game challenges. It offers AI tutoring, live lecture capture, and supports educators and institutions.
Free
Studyquick converts uploaded lecture notes and scripts into concise study notes, mock exams, quizzes and personalized study plans, plus a document-specific chatbot, formula-aware parsing, downloadable materials and a performance dashboard — limited to user-provided data.
Freemium
Algor Education turns notes, PDFs, audio, video, and images into AI‑generated interactive study tools—concept and mind maps, flashcards, quizzes, and structured notes. It highlights key points, visualizes content, and streamlines exam preparation, curriculum design, and independent learning.
Freemium