Crowd Annotation

CrowdView is a platform that allows users to view and share real-time video feeds from events around the world.

Data Services by Clickworker provides a crowdsourced platform for data collection, validation, labeling, and categorization, assigning microtasks to a global workforce. It delivers scalable, ISO 27001‑compliant results and transparent workflow tracking for AI training and market research.

Roboflow streamlines computer‑vision projects by offering a low‑code pipeline for data annotation, GPU‑accelerated training, and multi‑environment deployment. It integrates with PyTorch, TensorFlow, Hugging Face, major clouds, and meets SOC2 Type 2 and HIPAA security.

BasicAI is an end‑to‑end data annotation platform for image, video, audio, LiDAR, and text, offering AI‑powered labeling, collaborative workflows, real‑time QA, and private deployment, used by ML engineers in autonomous driving, robotics, and logistics.

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.

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.

People for AI offers dedicated in‑house labeling teams for diverse machine‑learning datasets, ensuring consistent quality, data security, and GDPR‑aligned handling. They support all annotation tools, from small proofs of concept to large production volumes, with continuous monitoring and re‑annotati

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.

Prolific offers an API‑first platform for gathering high‑quality, real‑world data from a diverse participant pool. It provides fully managed collection, audience targeting, and access to domain experts, enabling quick, representative studies for AI development.

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.

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.

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.

Datature unifies data labeling, model training, and deployment in one workflow. AI‑assisted annotation cuts labeling time up to tenfold. It supports classification, detection, segmentation, keypoint tasks, offers drag‑and‑drop training, hyperparameter tuning, visual evaluation, and edge/cloud deploy

Lenslink is an AI tool for automated image and video analysis, featuring face detection, human action recognition, and real-time multi-person analysis. It offers secure edge computing integration for applications like access control, crowd management, and digital signage analytics.

Label Studio is an open‑source platform for labeling images, audio, text, video, time‑series, and PDFs. It offers customizable interfaces, pre‑labeling with ML, multi‑project support, API/SDK integration, and quality gates that ensure consistent annotations, with export to CSV or databases.

Crow is a language-user-interface platform for embedding production-ready AI agents into applications via a single script tag or SDK. It connects backends (OpenAPI/MCP), provides orchestration, document ingestion, retrieval-augmented responses, LLM tracing, evaluation, and enterprise security.

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.

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.

Where Is Everyone predicts event attendance from RSVP data, offering real‑time analytics that help planners optimize capacity and resources. It integrates with community platforms and can run on web or cloud servers, reducing no‑shows for nonprofits and associations.

Canvs AI processes open‑ended text from events, social media, surveys, and internal feedback to detect sentiment and thematic shifts. It offers real‑time reaction insights, precise search, and enterprise integration, enabling rapid, data‑driven decision making across marketing, media, sports, and mo

TwelveLabs extracts structured data from videos using AI models Marengo and Pegasus. Its APIs enable time‑based search, on‑demand summarization, and vector embeddings for semantic search and recommendations, supporting media, advertising, and security workflows.

CrowdSnap Protect uses AI to generate survey questions, detect bots, verify identities via blockchain Proof of Humanity, and offers dashboards with export options (CSV, SPSS, Excel, JSON). It supports text, audio, image inputs and meets GDPR standards on Azure.

CommentScope is an AI tool that analyzes YouTube comments to reveal audience sentiment, trends, and engagement metrics. It provides actionable insights and recommendations to help content creators optimize their strategies and enhance viewer interaction.

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, auto‑generates slide decks and citation exports—all locally for privacy.

TAWNY Vision AI is a camera‑agnostic video analytics platform that tracks people flow, emotion, and attention in real time. It supports retail, events, sports, and advertising with GDPR‑compliant, high‑precision models and an open API for custom integration.

PinMy is a cross‑platform visual collaboration platform that lets teams annotate images, PDFs, and design files with text, voice, or pixel‑linked markers, share the results via email, Slack, or SMS, and track feedback history in a single, paper‑free workflow.

UnitLab is a cutting-edge, collaborative AI data annotation platform boosting efficiency by 15x through auto-annotation tools. It excels in various annotation types, project management, and automated tasks for accurate object detection and OCR in 123 languages.

ClientZen aggregates customer feedback from tickets and reviews, analyzing it to surface spikes and recurring issues. It delivers instant contextual answers via Mantra AI and generates VoC reports, integrating with Zendesk for a unified customer journey view.

AirCaption offers offline, privacy‑first speech‑to‑text transcription and captioning for audio/video across 67 languages. It supports batch processing, hotkeys, editable timings, and export to standard formats, aiding editors, podcasters, researchers, and educators.

Stillgram is an iPhone app that uses on‑device AI to remove crowd backgrounds from photos and videos, supports high‑resolution output, lets users keep specific people, and captures crowd‑free selfies and live videos for sharing.

JCV Cloud provides real‑time facial recognition for secure access, attendance, password‑less login, payment, loyalty, and compliance verification. Its APIs integrate with building, retail, and workforce systems, streamlining authentication and boosting security and operational efficiency.

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.

L21 AI Proofreader enhances written content accuracy and contextuality of live events.

Flux Context is an AI-driven image enhancement tool that restores, removes watermarks, eliminates crowds, and converts images into anime styles. It features a user-friendly interface for quick adjustments and delivers high-quality results within minutes.

REVISOR uses video analytics to count voters, track ballot boxes, and flag turnout discrepancies with up to 98 % accuracy. It supports real‑time monitoring, post‑election recounts, and detailed violation reports for audits and investigations.

Facialprint is a digital guestbook that automatically gathers photos and notes from event guests via personalized links or QR codes. It identifies attendees in a host‑uploaded gallery and immediately emails each guest their own selfie for instant sharing.

Choice AI offers AI‑driven content moderation, cultural‑sensitivity filtering, multilingual subtitles, dubbing, emotion analysis, scene segmentation, compliance checks, and automated metadata tagging. It supports live and on‑demand workflows, accelerating media readiness and expanding global audienc

LightLayer provides scalable, richly annotated egocentric datasets—synchronized RGB, audio, IMU, and depth—via distributed capture coordination, automated collection workflows, and streamlined annotation pipelines to produce delivery-ready data for embodied AI and robotic perception training.