Annotated Dataset
The best 50 Annotated Dataset AI tools - Free & Paid
Explore 50 AI for Annotated Dataset
Markup Annotation Tool converts unstructured data into structured datasets, streamlining the annotation process for NLP and ML applications. Powered by GPT-4, it enhances accuracy and efficiency, supporting rapid training dataset creation for improved model performance.
Free
Appen delivers humanāvalidated datasets across six domainsāalignment, agentic AI, speech/audio, multimodal, physical, and model integrityāusing automation and a global workforce of 1āÆmillion+ contributors. SOCāÆ2/ISOāÆ27001 certified, it supports largeāscale AI training and independent evaluation.
Freemium
Datature unifies data labeling, model training, and deployment in one workflow. AIāassisted annotation cuts labeling time up to tenfold. It supports classification, detection, segmentation, keypoint tasks, offers dragāandādrop training, hyperparameter tuning, visual evaluation, and edge/cloud deploy
Free
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, roleābased access, versioning, and openāsource integration.
Free
Data Services by Clickworker provides a crowdsourced platform for data collection, validation, labeling, and categorization, assigning microtasks to a global workforce. It delivers scalable, ISOāÆ27001ācompliant results and transparent workflow tracking for AI training and market research.
Freemium
- $13
SyntheticAIdata is a noācode synthetic data platform that generates largeāscale, fully annotated computer vision datasets. It eliminates privacy concerns, reduces manual labeling, and supports cloud integration for rapid, balanced, inclusive model prototyping.
Free trial
Semantic Scholar indexes 230āÆmillion papers, offering AIāpowered 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
People for AI offers dedicated ināhouse labeling teams for diverse machineālearning datasets, ensuring consistent quality, data security, and GDPRāaligned handling. They support all annotation tools, from small proofs of concept to large production volumes, with continuous monitoring and reāannotati
Freemium
Label Studio is an openāsource platform for labeling images, audio, text, video, timeāseries, and PDFs. It offers customizable interfaces, preālabeling with ML, multiāproject support, API/SDK integration, and quality gates that ensure consistent annotations, with export to CSV or databases.
Freemium
- $10
Encord is a data development platform that streamlines data curation, labeling, and model evaluation for AI teams. It supports computer vision and multimodal tasks with advanced user management, customizable workflows, and comprehensive quality metrics.
Subscription
Anara is an AI research assistant that extracts and summarizes PDFs, supports OCR and semantic image recognition, syncs with Zotero/Mendeley/Drive/Notion/OneDrive/SharePoint, offers multiple LLMs and configurable agents, and provides collaboration, citation-aware answers, and enterprise controls.
Free trial
isahit provides human-centered data labeling and processing for computer vision, NLP, and speech, offering collaborative workspaces, secure API, customizable annotator training, quality control, and AI-assisted workflows (active learning, RLHF, RAG) to prepare data for model training.
Subscription
Anomalo automates data quality across structured, semiāstructured, and unstructured data in cloud lakes and warehouses. Using unsupervised ML, it detects anomalies, validates completeness, enforces governance without code, and offers lineage mapping and KPI tracking.
Subscription
LAION offers free, large-scale visionālanguage datasets such as LAIONā400M and LAIONā5B, along with the ClipāÆH/14 model. These resources enable researchers and developers to train and benchmark visionālanguage models efficiently and sustainably.
Freemium
AIxBlock supplies enterprise-grade speech and language training dataāvoice, audio and text across 100+ languagesāoffering licensed catalogs, custom collections, transcription/annotation, RLHF and dialogue datasets, plus self-hosted storage options for data sovereignty.
Subscription
Papers manages research libraries by importing and autoāmatching bibliographic data, letting users tag, rate, and organize sources. AI offers article recommendations and chat queries, while inline annotations sync across Mac, Windows, and mobile. SmartCite supports 10,000+ styles and integrates impa
Freemium
- $7/mo
Notability converts notes, PDFs and recordings into personalized study materials with AI-generated summaries, quizzes and flashcards. It offers PDF annotation, handwriting, real-time transcription, audio recording, sync across iOS/web and exportable organized notes.
Free
T-Rex Label is an intelligent annotation tool that streamlines complex scene annotations across industries like agriculture, logistics, and healthcare, offering quick, accurate labeling through zero-shot detection, enhancing workflow efficiency and data management.
Freemium
Outlier DB efficiently detects outliers in datasets, highlighting anomalies to enhance data quality and accuracy. Its advanced algorithms streamline data analysis, improving dataset reliability for informed decision-making.
Freemium
Atlas automatically generates lecture notes, flashcards, and quizzes from course materials, offers stepābyāstep problem explanations and essay drafting, and answers specific class queries, integrating with common learning platforms for seamless syllabus access.
Free
Axon Labs Datasets provides curated biometric datasets for liveness detection, face recognition, and voice biometrics, covering iBeta Level 1ā3 attack types with ML-ready formats, annotations, balanced splits, demographic diversity, and custom collection options.
Free
Roboflow streamlines computerāvision projects by offering a lowācode pipeline for data annotation, GPUāaccelerated training, and multiāenvironment deployment. It integrates with PyTorch, TensorFlow, Hugging Face, major clouds, and meets SOC2 TypeāÆ2 and HIPAA security.
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 highāquality metadata, multilingual browsing, and openāsource integration.
Freemium
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
Hex unifies notebooks, conversational queries, and dashboards in a single workspace. It uses shared semantic context to offer reliable insights from Snowflake, BigQuery, Redshift, and more. Data scientists write code, while business users ask plainālanguage questions via Threads or Slack.
Freemium
- $36/mo
ANDRE converts survey files (CSV, XLSX, SPSS, Google Forms, Typeform) into clean, visual reports in under 15āÆminutes, automating data cleaning, missingāvalue imputation, narrative analysis, and producing a singleāslide insights deck for rapid decisionāmaking.
Freemium
Agentic Document Extraction pulls structured data from PDFs, images, spreadsheets using visionāfirst parsing, preserving layout and delivering boundingābox citations. Modular REST APIs and Python/TypeScript SDKs support onāprem or cloud deployment for regulated sectors needing traceable, accurate ex
Subscription
- $250/mo
NotebookLM is an AI-powered research assistant designed to help users summarize and connect information from sources like PDFs, websites, videos, and audio. It offers detailed insights, citations, and an 'Audio Overview' feature for on-the-go engagement.
ResearchRabbit is a webābased 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
TwelveLabs extracts structured data from videos using AI models Marengo and Pegasus. Its APIs enable timeābased search, onādemand summarization, and vector embeddings for semantic search and recommendations, supporting media, advertising, and security workflows.
Freemium
- $0.07
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
Mostly AI is a dataāintelligence platform that generates synthetic and mock data with differential privacy, supports productionādata querying via an AI assistant, and offers simulation tools for edgeācase prediction. It facilitates collaboration and secure data sharing on Kubernetes or OpenShift.
Subscription
Sieve supplies large, annotated video datasets for training generative video, avatar, egocentric perception, and world-modeling systems, delivering time-synced, paired, and conversational training formats via API or storage with compliance and encryption.
Freemium
BasicAI is an endātoāend data annotation platform for image, video, audio, LiDAR, and text, offering AIāpowered labeling, collaborative workflows, realātime QA, and private deployment, used by ML engineers in autonomous driving, robotics, and logistics.
Paid
Edash is an openāsource AI tool that organizes, tags, and searches book highlights locally, linking similar passages across works. It supports Kindle, JSON, CSV imports, offers fullātext and fuzzy search, reāphrasing, and export to eāpub while keeping data on the device.
Free
kOS lets users import PDFs and annotate them in one interface. An AI layer answers questions about any part of the document, distinguishes user vs. web content, autoāgenerates slide decks and citation exportsāall locally for privacy.
Freemium
Wirestock connects creativesāphotographers, videographers, illustrators, designersāwith AI labs, offering freelance projects and a dashboard to track earnings and progress. It supplies ethically sourced, legally cleared multimodal datasets for model training and rapid access to fresh, highāquality d
Paid
AI Keywording processes up to 10,000 images per upload, using AI to generate titles, descriptions, and keywords for stock photography. Outputs a CSV ready for stock sites or Adobe Bridge, with temporary image copies deleted after processing.
Freemium
- $20/mo
Roboto ingests ROS, PX4, MCAP, Parquet, and custom logs into searchable datasets with tags and metadata. It enables automated processing, anomaly detection, AIāpowered summarization, and collaborative event sharing via Python SDK and CLI.
Paid
Nanonets automatically extracts structured data from invoices, receipts, IDs, and other documents without predefined templates. It offers endātoāend workflows, native CRM/ERP integration, and a visual designer for rapid, noācode deployment across finance, supplyāchain, HR, and legal operations.
Freemium
AIāDriven Data Quality, Matching, and Enrichment provides API-first standardization, deduplication, and enrichment for company, person, address, and product data. It returns similarity scores, resolved entities, and realāworld attributes via REST, supporting batch CSV/TSV processing and database int
Subscription
- $9.99/mo
ensembledata.com is a TikTok data scraping API that provides programmatic access to user profiles, video metadata, comments, and trending topics via REST endpoints. It enables bulk export, webhook updates, and JSON/CSV outputs for analytics, competitor monitoring, and machine learning datasets.
Freemium
Inflectiv.ai is a platform that transforms unstructured data from documents, sensors, and databases into structured, queryable intelligence for AI agents and applications. It automates data ingestion and extraction while enforcing access control, attribution, and on-chain monetization for data contr
Free
Kanaries transforms raw data into interactive visual insights with AIāassisted code completion for Pandas, RStudio, and Jupyter. Dragāandādrop chart building, naturalālanguage chat, realātime collaboration, and offline desktop support streamline the entire exploration workflow across web and desktop
Subscription
Athina lets teams build, test, and monitor AI features via a prompt editor and flow builder for any model. It offers dataset comparison, SQL queries, evaluation suites, human QA, code execution, observability, selfāhosted deployment, SOCā2 compliance, and cloud integrations.
Freemium
Audionotes AI tool for effortless voice-to-text conversion, organization, summarization, and content generation.
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/browserāextension/Obsidian integration to help researchers, marketers, and SEOs uncover relationships, gaps, and ide
Subscription
- $12/mo