Knowledge Graph Builder
The best 50 Knowledge Graph Builder AI tools - Free & Paid
Explore 50 AI for Knowledge Graph Builder
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
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
Free AI Graph Maker enables users to create interactive charts and graphs, including bar, pie, and line charts. It supports Gantt charts, flowcharts, and mind maps, facilitating effective data visualization for various sectors like education and finance.
Freemium
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
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
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
SurgeGraph Vertex is an AI‑powered platform that automates SEO‑focused article creation, offering competitor analysis, keyword mapping, topic discovery, human‑like writing, internal linking, image generation, and WordPress publishing, plus collaborative workflows and performance analytics.
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
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
Schemawriter.ai automatically generates JSON‑LD schema for webpages and local businesses by crawling URLs, extracting entities from Wikipedia and Google Knowledge Graph, and delivering ready‑to‑use local business, GeoRadius, FAQ, product, and other schemas in under 30 seconds.
Subscription
- $59/mo
DiagramGPT turns natural‑language prompts into architecture, sequence, BPMN, flowchart, ERD, and cloud diagrams. Users pick templates, view use‑case videos, edit in code‑based Eraser, and export to documentation tools. Collaboration, dark mode, and API support are included.
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.
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
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
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.
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
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
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
iWeaver lets users upload documents, videos, audio, and images to extract key concepts, generate summaries, and build mind maps. It supports structured Q&A, data extraction, and visual mapping for research, analysis, and legal review. Modular agents enable API integrations for workflows.
Freemium
- $9.9/mo
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
AI App Builder turns plain‑language app ideas into functional web prototypes. Drop screenshots, iterate design and code in real time, then deploy instantly. Built‑in templates cover portfolios, e‑commerce, and events, with export, hosting, and version‑control integration.
Freemium
Longshot AI's FactGPT feature generates user-sourced and factually accurate content for current events, opinions, product reviews, comparisons and more, with personalization options and access to citations.
Freemium
- $19/mo
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
CustomGPT.ai is a no‑code platform that builds AI agents from existing documents, sites, and knowledge bases. It supports 1,400+ file types, 100+ integrations, and 92 languages, offering secure, citation‑enabled, context‑aware responses for customer support and internal knowledge search.
Subscription
AI writing tools and resources that provide a content generator powered by GPT-3, business idea generator, Facebook Ads Generator, Magic Paragraph Generator, and SEO tool to optimize content for better search engine rankings.
Free trial
- $19/mo
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
Creaitor centralizes content planning, creation, and SEO for marketing teams. Its AI blog writer, bulk processor, and keyword research generate consistent, on‑brand copy. Integrated GEO scoring and analytics optimize visibility and guide continuous improvement.
Freemium
- $19
AI quiz generator that converts text, images, PDFs, videos, and URLs into multiple‑choice, true/false, fill‑in‑the‑blank, higher‑order, and Bloom’s taxonomy questions. Supports up to 80k words, editing, export in various formats, study mode, and embedable quizzes.
Freemium
- $15/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
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
AI Math Solver offers precise, step‑by‑step solutions for college‑level and SAT math, a Tutor Mode that poses probing questions, a Knowledge Graph linking concepts to practice problems, adaptive study plans, real‑time mastery tracking, and on‑demand question generation.
Freemium
GravityWrite is an AI platform that creates blogs, social media posts, images, and websites, offering research, outlines, SEO optimization, brand‑voice training, scheduling, analytics, and integrations with WordPress, Ahrefs, Google Analytics, and more.
Paid
Piktochart is an AI‑powered visual creation platform that turns text into infographics, charts, and videos within seconds. It offers templates, a brand kit, collaborative editing, interactive graphics, and export options for print and digital use.
Freemium
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
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
PromptBuilder generates and optimizes prompts for ChatGPT, Claude, Gemini and other LLMs, offering 100+ templates (marketing, SEO, coding, support), an optimization engine for model-specific refinement, a searchable prompt library, image-prompt templates and multi-model workflows.
Subscription
GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.
Free
Graphy transforms raw data from Google Sheets, CSV, Excel, or APIs into AI‑generated charts, auto‑highlighting insights. It supports multiple chart types, branding, annotations, real‑time updates, and export/embed options for marketing, finance, and consulting teams.
Freemium
- $16/mo
Grapha.ai is an AI-enabled data exploration tool that swiftly reveals hidden trends and provides intuitive visualizations & insights from complex datasets without requiring any coding knowledge.
Subscription
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
ChartAI auto‑creates diverse visualizations—mind maps, flowcharts, timelines, Gantt charts, ER diagrams, etc.—by converting data into polished diagrams. It offers templates, quick start, and dataset generation, aiding analysts, researchers, educators, and managers.
Free
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
Koala AI produces SEO‑optimized blog posts with research, SERP analysis, and internal linking. It offers editable outlines, bulk creation, schema markup, and one‑click publishing to WordPress, Shopify, Webflow, Ghost, streamlining content workflows for publishers and agencies.
Subscription
- $9/mo
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
Query Craft translates plain language into Jira Query Language (JQL), enabling teams to quickly generate accurate issue filters. It supports status, assignee, priority, and custom fields, offers real‑time syntax validation, and integrates directly with Jira dashboards.
Freemium
Introducing DocsBot AI, a powerful AI tool that helps you create custom chatbots for documentation. Train and deploy AI-powered chatbots in minutes, saving time and improving support experience. Custom copywriting capabilities, embeddable widgets, and integrations with popular platforms like WordPre
Freemium
WriteGo AI Research & Writing is an academic‑writing platform that generates structured essays with MLA, APA, and Chicago citations, offers a citation generator, grammar checker, paraphraser, summarizer, multilingual translator, and scholar search to streamline research and drafting.
Freemium
MyMap turns text prompts into mind maps, flowcharts, SWOT, timelines, and database schemas on an infinite canvas. It auto‑generates and places nodes with real‑time AI context awareness, letting users drag, connect, and reorganize for brainstorming and planning.
Freemium
- $12/mo
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