Knowledge Graph Database
The best 50 Knowledge Graph Database AI tools - Free & Paid
Explore 50 AI for Knowledge Graph Database
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
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
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
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
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
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
WebQuery lets users load URLs to build an indexed knowledge base that can be queried in natural language. Answers are drawn exclusively from uploaded content, enabling precise fact retrieval without reading full text.
Freemium
- $10/mo
AskYourDatabase is an AI-powered chatbot that allows you to interact with SQL databases. Ask questions and get instant insights without complex code. Features include data visualization, schema design, and migration. Connect securely to your favorite databases.
Freemium
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
understand-anything.com is an AI tool that transforms any codebase into an interactive knowledge graph, mapping files, functions, and dependencies across 26+ file types. It enables rapid code comprehension through features like dependency pathfinding, fuzzy semantic search, and AI-guided tours for o
Freemium
Chat2DB converts natural‑language prompts into optimized SQL for over 40 databases. It offers a GUI editor, visual tables, ER diagrams, error‑correction, secure local execution, audit trails, and collaborative dashboard sharing for developers, analysts, and non‑technical users.
Freemium
- $9/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
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
ChatGPT is an AI chatbot based on large language models family created by OpenAI for general purpose chat that allows users to ask any question or prompt to AI, making it a useful tool for many writing processes.
Freemium
- $20/mo
ScrapeGraph AI is an automated web scraping tool that extracts structured data from various sources using natural language prompts. It supports multiple programming languages and adapts to website changes, producing clean data for analytics and AI training.
Freemium
Basejump AI allows users to access organizational data using natural language queries, simplifying insight retrieval. It supports real-time data access, custom collections, and entity diagrams, improving workflow efficiency and enabling quicker, informed decision-making.
Free trial
- $37.5/mo
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
DeepSeek-V3 is an advanced AI model offering leading performance in open source LLM, enhanced speed, and global language support. It sets new benchmarks for inference speed among open-source models.
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.
DeepSeek API, available via Kie.ai, provides access to DeepSeek models R1 and V3 for complex reasoning and natural language processing.
Freemium
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
Basedash lets teams ask plain‑English questions of their data warehouses and SaaS sources, automatically generating validated SQL, executing it, and visualizing results in dashboards. It supports 750+ integrations, enforces SOC 2 compliance, and offers an embedding API for internal products.
Paid
vizGPT turns natural‑language queries and drag‑and‑drop into live dashboards and charts, retaining context for follow‑ups. It includes data tables for profiling and transforms, and design tools that generate Lottie JSON and SVG animations, enabling team collaboration.
Paid
- $10/mo
Dashworks offers an AI assistant that pulls real‑time answers from connected apps, knowledge bases, and communication tools without data indexing. It integrates with Slack, browsers, and third‑party apps, supports multiple models, and delivers secure, citation‑backed responses to improve team effici
Subscription
- $10/mo
Datascale converts SQL into interactive diagrams, revealing keys and joins without database changes. Engineers trace lineage, design systems, assess normalization, and collaborate with AI to draft specs and refactor plans.
Subscription
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
Squirro consolidates structured and unstructured data using knowledge graphs and AI guardrails, delivering secure, compliant analytics for regulated sectors. It offers document intelligence, semantic search, real‑time compliance monitoring, and privacy controls, enabling faster decisions and reduced
Freemium
Algolia is an AI‑driven search platform that indexes, retrieves, and monitors data. It offers Agent Studio, RAG‑powered experiences, conversational search, real‑time personalization, analytics, and built‑in integrations for e‑commerce, SaaS, media, and marketplaces.
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
ContextClue transforms CAD, PDF, ERP and planning files into queryable knowledge graphs, enabling semantic search and automated generation of SOPs, compliance reports, and digital‑twin data. Ideal for manufacturing, R&D, and maintenance teams to streamline specification access and part reuse.
Freemium
Text2SQL.ai transforms natural‑language questions into optimized SQL queries for MySQL, PostgreSQL, Oracle, SQL Server, MongoDB, and others, using the supplied schema. It offers a public API, a local desktop app, version control, auto‑generated charts, and follow‑up query support.
Free trial
Morphik.ai is an open-source AI tool for fast, visual-first knowledge retrieval across industries, enabling efficient document searches and insights from complex data. It offers custom integrations via API/SDK and embeds context in diagrams for accurate, streamlined research.
Freemium
CrawlChat converts product and technical documentation into an AI chatbot and searchable knowledge base for websites, Discord, and Slack, importing from Docusaurus, Notion, Confluence, GitHub, files, and YouTube, with source citations, ticket escalation, analytics, and customization.
Free trial
- $45/mo
BigIdeasDB is a niche-focused AI database that identifies validated market problems and solutions by analyzing online community discussions. It offers automated pain point detection, idea generation, and structured insights to streamline product development.
Paid
Athenic AI transforms plain‑English questions into deterministic SQL and instant visual answers, letting teams explore data without coding. It offers root‑cause research, anomaly alerts, dashboards, and scheduled reports—all grounded in verified metrics for reliable insights.
Freemium
- $10
Globe Explorer is an AI-driven platform for data analysis and trend identification, offering robust topic discovery, visual data representations, insightful reports, and collaborative features to enhance research for educators, researchers, and content creators.
Freemium
Neobase is an AI-driven database co-pilot that allows users to manage and visualize data through natural language queries across multiple databases. It streamlines operations and enhances decision-making for both technical and non-technical users.
Freemium
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/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
Athena AI consolidates SQL, NoSQL, and file data for real‑time synchronization with hashing/blockchain integrity and live query preview. It offers 21 visual charts, granular permissions, dashboards, alerts, scheduled reports, and API integration.
Freemium
- $1
Kompas is a local-first desktop app that builds a personal knowledge graph from notes, documents, highlights, web pages and voice, organizing work into sessions that retrieve related material to support progressive, connected writing and offline LLM use.
Free trial
ChatNode transforms website and knowledge‑base content into autonomous support agents that learn continuously, handle tasks like bookings and invoicing, integrate with WordPress, Slack, Notion, Zapier, and provide analytics for satisfaction and flow refinement, all via no‑code setup.
Paid
- $35/mo
Tana is an AI-native workspace that enhances knowledge management by transforming notes into tasks, projects, and documents. With AI-powered meeting transcription, custom feeds, and automation, it streamlines workflows for professionals, teams, and individuals seeking organized productivity.
Freemium
WiseMap uses ChatGPT to expand keyword‑driven mind maps, adding nodes and refining structures via natural language. It offers AI‑generated backgrounds, unlimited edits, export options, and collaborative sharing with credit tracking for teams and educators.
Paid
- $5/mo
GraphRAG by Microsoft is an advanced graph-based system for extracting structured data from unstructured text using large language models. It improves reasoning over private data and offers a user-friendly experience with Azure resources.
Free