Ontology
The best 50 Ontology AI tools - Free & Paid
Explore 50 AI for Ontology
TinyHumans is a platform for building practical AI products and personal assistants, offering OpenHuman for individual workflow support and Neocortex for production-grade memory infrastructure. It emphasizes privacy, simple integration, and low-latency retrieval to accelerate team decision-making an
Free
ATOMS uses AI-assisted development to rapidly prototype apps and demos, enabling fast product validation and internal testing, with built-in workflow automation, payment and customer-acquisition features, team access controls, and configurable deployment and integrations.
Freemium
- $20/mo
TutorOcean combines human tutors with AI, offering on‑demand tutoring, a teacher AI copilot for lesson planning, grading, and personalization, and interactive classrooms with video, whiteboard, chat, coding editor, and session recording in multiple languages.
Freemium
Onyx.app is a conversational AI platform that combines chat-based search, configurable agents, and action orchestration for teams. It integrates with enterprise systems to automate tasks and manage knowledge, with deployment options for regulated industries.
Free trial
- $20/mo
OmniBox is an AI knowledge companion that streamlines content collection by saving web pages and documents with a single click. It transforms saved content into a searchable, question-answer format with source-traceable answers for efficient knowledge management.
Freemium
OpenEvidence is a secure medical information platform for U.S. healthcare professionals, facilitating question logging, managing protected health information, and streamlining prior authorization letter writing with access to trusted clinical findings and insights from over 10,000 care centers.
Free
Odin AI lets enterprises build and deploy AI agents to automate tasks across customer support, finance, HR, legal, and operations. With no‑code workflow, 200+ connectors, and compliance guardrails, it extracts data, triggers actions, and improves efficiency while reducing errors.
Subscription
- $100/mo
Aithor automates essay creation, literature reviews, and topic ideation for academic and creative writers. It provides access to 10 million verified sources, manages MLA/APA citations, offers grammar checking, paraphrasing, summarization, and tone adjustment to streamline writing.
Freemium
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
Semantic Scholar indexes 230 million papers, offering AI‑powered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.
Free
n8n is an open‑source workflow automation platform with a visual canvas and custom JavaScript/Python support. It connects to 500+ integrations, enables AI agents and RAG, offers audit logs, real‑time alerts, and can be self‑hosted on Docker or Kubernetes.
Free
Atlas Cloud AI is a full-modal AI platform offering unified API access for generating text-to-image, text-to-video, image-to-video, and audio content through a single integration. It provides developers with a model catalog, reference-based editing, and production-ready outputs including 4K resoluti
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
Nova is a GPT‑4o and Gemini chatbot available on web, iOS, Android, macOS, and Apple Watch, offering 24/7 conversational help for homework, writing, math, travel planning, and personalized book/movie recommendations, with seamless cross‑device continuity.
Freemium
Atomic Bot is an AI assistant that centralizes productivity workflows like email, calendar, and document management. It automates web tasks, parses files, and offers multi-model support with local or cloud deployment for privacy-conscious teams.
Freemium
ITONICS is an AI-driven innovation management platform that centralizes idea generation, project management, and strategic foresight. It offers collaborative tools, trend analysis, and portfolio management to enhance organizational innovation workflows while ensuring data privacy and security.
Freemium
Anthropics offers AI‑powered desktop and web image editors for portraits, full bodies, landscapes, and creative styles. Features include PortraitPro, PortraitPro Body, LandscapePro, Smart Photo Editor, and a virtual wedding‑dress try‑on, streamlining professional and hobbyist photo retouching.
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
Albert Einstein is an AI tool designed to help students clear doubts on physics concepts in English through a messenger platform. It should not generate falsehoods.
LogicBalls verifies user intent to cut hallucinations, offering a chat assistant that refines prompts. It provides access to 2,000+ AI tools, multiple language models, usage tracking, bookmarking, prompt library, performance comparison, community, and API integration.
Paid
Haxiom is an online Markdown editor for collaborative teams that organizes knowledge into a unified, GitHub-linked knowledge base with real-time multiplayer editing, AI-driven note structuring and deduplication, semantic search, GitHub sync, Typst math rendering, and an AI assistant.
Freemium
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
FiftyOne is a visual AI platform that centralizes data curation, annotation, and model evaluation across images, video, point clouds, and metadata. It offers interactive slicing, automatic labeling with confidence scoring, role‑based access, versioning, and open‑source integration.
Free
Clawhub.ai is an open-source developer tool for managing and discovering reusable AI skills and code snippets. It centralizes assets with local and GitHub search, streamlining skill import and workflow integration.
Free
Metos is an AI tool designed to help writers, game designers, and artists develop memorable and fully-realized characters and worlds. With Metos, you can create multifaceted and unique characters that feel like real people with well-developed personalities, motivations, and backgrounds. The tool pro
Freemium
- $1
SOM AI is an AI chatbot for Indonesian university students and researchers that brainstorms research titles, paraphrases text to lower plagiarism, explains complex concepts, and guides thesis outlines and literature reviews while saving conversation history for future reference.
Freemium
Logically is an AI research and writing workspace that streamlines citation-backed academic work: inline AI suggestions with automated bibliographies, reference management for multiple formats, PDF annotation, literature reviews, citation generation, and collaboration tools.
Free
OneSky Localization Agent (OLA) is an AI-driven multi-agent platform that leverages multiple large language models (LLMs) to deliver contextually accurate translations for web, apps, and digital content. It simulates human roles—translators, reviewers, and editors—while enabling real-time monitoring
Free trial
OiiOii.ai is an AI animation agent team offering end-to-end production with role-based workflows (Art Director, Scene Designer, Scriptwriter, etc.), drag-and-drop references, chat refinement, one-click short-form rendering, multi-style character/IP creation, asset tracking and export-ready files.
Freemium
Whoz is an AI‑driven platform that maps employee skills, matches talent to projects, and automates scheduling, giving managers real‑time workforce visibility. It reduces bench time, forecasts staffing needs, and boosts billable activity across mid‑size to large enterprises.
Subscription
ResearchRabbit is a web‑based research assistant that lets users begin with a single paper and expand to related authors, works, and topics. It generates citation and topic evolution maps, supports notes and annotations, and syncs with reference managers like Zotero.
Freemium
Appen delivers human‑validated datasets across six domains—alignment, agentic AI, speech/audio, multimodal, physical, and model integrity—using automation and a global workforce of 1 million+ contributors. SOC 2/ISO 27001 certified, it supports large‑scale AI training and independent evaluation.
Freemium
Atono is a product management platform for roadmap planning, backlog prioritization, sprint planning, release coordination, and feature flag tracking. It links user stories, bugs, and docs, provides changelogs, reporting, and integrations to trace work to production.
Atlas automatically generates lecture notes, flashcards, and quizzes from course materials, offers step‑by‑step problem explanations and essay drafting, and answers specific class queries, integrating with common learning platforms for seamless syllabus access.
Free
Universe is a cross‑device no‑code website builder with drag‑and‑drop grid editing, AI‑assisted content placement, hundreds of templates, built‑in e‑commerce options, real‑time preview, and integrated traffic analytics with social media advertising support.
Freemium
AI‑driven LMS that centralizes course creation, delivery, and automated reporting for internal and external learning. Supports gamified paths, SCORM/xAPI, HRIS and SSO integration, and meets FedRAMP/SOC 2 compliance for employee training, onboarding, and compliance.
Freemium
Classology is a 24/7 AI tutor available as a Chrome extension and sidebar that delivers instant, step-by-step solutions across subjects from math and coding to languages, accepts text, selection or images, summarizes PDFs, and integrates with school workflows.
Free
Aporia is an AI control platform at aporia.com that guarantees Gen AI integrity through policy enforcement, data protection, and compliance enhancement. It provides advanced features like off-topic detection, profanity prevention, and data leakage prevention for secure and reliable AI interactions.
Subscription
- $99/mo
Theo is an AI assistant that optimizes business knowledge and communication by transforming documents for better AI understanding, enhancing context, merging information, and supporting strategic analysis of market shifts and competitors, all while ensuring data privacy and security.
Free trial
Open-claw.org is a premium, subscription-based AI deployment platform that lets you launch powerful AI agents in one click
Freemium
i10X.ai is a marketplace offering 500+ specialized AI agents and tools for tasks like business strategy, content creation, and visual processing. It supports GPT-4o and Claude 3.7, handling text and image inputs for marketing, SEO, and productivity automation.
Freemium
- $10/mo