Best Data Labeling Software - Page 6

How Many Data Labeling Software Products Does G2 Track?

Total Products under this Category: 143

Category Stats (Oct 2026)

  • Average Rating: 4.5/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Snorkel AI (+2.15%) - Among all products in this category, Snorkel AI recorded the largest rating increase compared to last month

Last updated: October 13, 2026

How Does G2 Rank Data Labeling Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 1,900+ Authentic Reviews
  • 143+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Data Labeling Software

G2 Grid® for Data Labeling Software plotting products by satisfaction and market presence

Highlighted products: SuperAnnotate, Roboflow, Encord, Datasaur, CVAT, Amazon Sagemaker Ground Truth, Labelbox, and V7 Darwin.

Underlying data: [Grid® JSON](https://www.g2.com/categories/data-labeling/grids.json?focus%5B%5D=superannotate&focus%5B%5D=roboflow&focus%5B%5D=encord&focus%5B%5D=datasaur&focus%5B%5D=cvat&focus%5B%5D=amazon-sagemaker-ground-truth&focus%5B%5D=labelbox&focus%5B%5D=v7-darwin)

CogniLab

CogniLab is an enterprise-grade data annotation platform designed to transform raw data into high-quality training datasets for AI applications. Trusted by Fortune 500 companies, it offers a comprehensive infrastructure that ensures accuracy, speed, and security in data labeling processes. Key Features and Functionality: - AI-Assisted Labeling: Utilizes smart pre-labeling to reduce manual effort by 90%, enhancing efficiency. - Custom Workflows: Provides multi-stage review pipelines with role-based access, allowing tailored annotation processes. - API & Integrations: Offers REST API, Python SDK, and native integrations with AWS, GCP, and Azure for seamless connectivity. - Global Workforce: Access to over 50,000 expert annotators proficient in more than 235 languages, ensuring diverse and accurate annotations. - Quality Assurance: Implements multi-level validation with automated consensus rules to maintain high-quality standards. - Enterprise Security: Compliant with SOC 2 Type II, ISO 27001, GDPR, and HIPAA standards, ensuring data security and privacy. Primary Value and Solutions: CogniLab addresses the critical need for reliable training data in AI development. By providing a robust annotation infrastructure, it ensures consistent, high-quality data labeling, which is essential for the accuracy and reliability of AI models. The platform's emphasis on speed, with 10x faster annotation capabilities, and its commitment to security through stringent compliance measures, make it a valuable solution for enterprises aiming to scale their AI initiatives efficiently and securely.

Who Is the Company Behind CogniLab?

CommentEasy

CommentEasy is an intuitive image annotation tool designed to streamline visual feedback for design teams. By enabling users to upload images, add precise comments, and share them effortlessly, it eliminates the inefficiencies of traditional feedback methods. With features like voice notes and link-based sharing, CommentEasy ensures clear, actionable communication without the need for sign-ups or additional software. Key Features and Functionality: - Image Annotation: Upload or paste images and add pinpointed comments directly on them. - Voice Notes: Leave voice annotations to convey feedback more naturally and effectively. - Link-Based Sharing: Share annotated images via a simple link, allowing recipients to view and respond without creating an account. - Version Control: Maintain clarity by keeping comments tied to specific versions of designs, reducing confusion during revisions. - No Sign-Ups Required: Facilitate seamless collaboration without the hassle of account creation for reviewers. Primary Value and Problem Solved: CommentEasy addresses the common challenges design teams face with scattered feedback, unclear communication, and prolonged revision cycles. By centralizing feedback on a single platform and offering both visual and verbal annotation tools, it enhances clarity and accelerates the design process. This leads to faster approvals, reduced miscommunication, and more efficient project timelines.

Who Is the Company Behind CommentEasy?

CVAT Image & Video Annotation Solutions for AWS by Yobitel

Amazon is a global e-commerce and cloud computing company founded in 1994 and headquartered in Seattle, Washington. The company operates through three main segments: North America, International, and Amazon Web Services (AWS). Amazon's retail platform offers millions of products across numerous categories through websites including amazon.com, amazon.ca, amazon.fr, amazon.de, and many others worldwide. The company manufactures electronic devices such as Kindle e-readers, Fire tablets, Fire TVs, and Echo smart speakers. Amazon provides services including AWS cloud computing, Kindle Direct Publishing for authors, marketplace platforms for third-party sellers, digital content streaming, and Amazon Prime membership program offering benefits like free shipping and media streaming. The company serves diverse customer segments including consumers, merchants, content creators, and enterprise clients across global markets.

Who Is the Company Behind CVAT Image & Video Annotation Solutions for AWS by Yobitel?

  • Seller: Amazon Web Services (AWS)
  • Year Founded: 2006
  • HQ Location: Seattle, WA
  • Twitter: @awscloud
    2,232,483 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    148,266 employees on LinkedIn®
  • Ownership: NASDAQ: AMZN

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How it works

Datoric

Who Is the Company Behind Datoric?

Deaimer

Deaimer is a comprehensive AI services provider specializing in data collection, annotation, evaluation, and managed workforce solutions, all powered by proprietary software and a global network of vetted contributors. Their end-to-end services are designed to support AI teams in developing and refining models with high-quality, diverse datasets. Key Features and Functionality: - Data Collection & Sourcing: Acquisition of large-scale text, audio, image, and video data across various global regions, ensuring diverse and representative datasets. - Annotation & Generative AI: Human-led enrichment processes, including multi-modal labeling, reinforcement learning from human feedback (RLHF), prompt engineering, and fine-tuning to enhance model performance. - Evaluation & Transcription: Services such as transcription, model benchmarking, search relevance assessment, and speech evaluation to ensure data accuracy and model reliability. - Managed Workforce: Deployment of expert, vetted contributors tailored to specific project needs, ensuring compliance and scalability for enterprise-level operations. - Custom Software: Utilization of proprietary technology to facilitate secure delivery, automation, pipeline management, and analytics, providing seamless project execution. Primary Value and Solutions Provided: Deaimer addresses the critical need for high-quality, diverse, and accurately annotated datasets in AI development. By offering a unified platform that integrates data collection, annotation, evaluation, and workforce management, Deaimer streamlines the data lifecycle, reducing the complexity and time associated with managing multiple vendors. Their global network of over 40,000 vetted contributors across 38 regions ensures that AI models are trained on data reflective of real-world diversity, enhancing model robustness and applicability. With an average project turnaround of 72 hours and a quality agreement rate of 99.4%, Deaimer empowers AI teams to build, refine, and deploy models more efficiently and effectively.

Who Is the Company Behind Deaimer?

  • Seller: Deaimer
  • Year Founded: 2023
  • HQ Location: Faisalabad, PK
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

Deepen 4D

Deepen 4D is an advanced data annotation and calibration platform designed to enhance the development of autonomous systems and robotics. It offers a comprehensive suite of tools and services that streamline the processes of labeling, calibrating, and validating multi-sensor data, ensuring high accuracy and efficiency in machine learning and AI applications. Key Features and Functionality: - Annotation Tools: Provides AI-powered 2D and 3D annotation capabilities, including bounding boxes, semantic segmentation, and point cloud labeling. Features such as one-click bounding boxes and machine learning-assisted object detection and tracking significantly improve labeling speed and accuracy. - Calibration Suite: Offers multi-sensor calibration solutions that support various sensor types, including LiDAR, cameras, radar, and IMU. The platform enables users to calculate intrinsic and extrinsic calibration parameters swiftly, with advanced visualization features for precise calibration accuracy assessment. - Validation Mechanisms: Includes automated quality checks to identify common labeling issues, collaborative feedback loops for annotation refinement, and comprehensive issue management systems to track and resolve data inconsistencies. Primary Value and User Solutions: Deepen 4D addresses the critical need for precise and efficient data annotation and calibration in the development of autonomous systems. By automating and streamlining these processes, it reduces the time and resources required for data preparation, allowing organizations to focus on innovation and deployment. The platform's robust quality assurance measures ensure the reliability of annotated data, which is essential for the safety and performance of AI-driven applications. Additionally, its scalability and flexibility make it suitable for enterprises and startups alike, facilitating the advancement of autonomous technologies across various industries.

Who Is the Company Behind Deepen 4D?

  • Seller: Deepen 4D
  • Year Founded: 2017
  • HQ Location: San Jose, California, United States
  • LinkedIn® Page: www.linkedin.com
    207 employees on LinkedIn®

dFL

Who Is the Company Behind dFL?

  • Seller: Sophelio
  • Year Founded: 2020
  • HQ Location: Austin, US
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Ent.AI

Who Is the Company Behind Ent.AI?

FastLabel

Who Is the Company Behind FastLabel?

  • Seller: FastLabel
  • Year Founded: 2020
  • HQ Location: 新宿区, JP
  • LinkedIn® Page: www.linkedin.com
    41 employees on LinkedIn®

Fixpoint

Fixpoint is a comprehensive solution designed to streamline human data operations for AI data companies. By automating the sourcing, vetting, and management of expert annotator teams, Fixpoint enables organizations to rapidly scale their workforce while ensuring quality and compliance. Key Features and Functionality: - White-Glove Expert Staffing: Fixpoint can source and hire qualified experts across various domains, assembling teams of hundreds within weeks. - Worker Vetting API: This API automates the verification of candidates' education, credentials, and backgrounds, delivering results in minutes and identifying up to ten times more fraudulent applicants compared to manual reviews. - Diverse Expertise: Fixpoint staffs expert teams in fields such as legal, coding, medical, STEM, and linguistics, tailoring to specific project requirements. - Global Coverage and Compliance: With operations spanning multiple regions, Fixpoint ensures adherence to regulations like GDPR and is pursuing SOC 2 certification. Primary Value and Solutions Provided: Fixpoint addresses the challenges AI data companies face in rapidly scaling expert annotator teams without compromising quality or compliance. By automating the sourcing and vetting processes, Fixpoint reduces the time and cost associated with manual recruitment and verification. This allows organizations to focus on delivering high-quality training data, confident in the qualifications and reliability of their workforce.

Who Is the Company Behind Fixpoint?

  • Seller: Fixpoint
  • Year Founded: 2023
  • HQ Location: San Francisco, US
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Foresight Training Data

Lightning Rod Labs is the data engine behind the next generation of AI models and products, giving builders the tools to transform messy, real-world data into model-ready training datasets. Teams use Foresight Data to automatically generate label datasets from both public sources and their own proprietary data. Eliminating manual annotation and accelerating AI workflows from prototyping to deployment. From AI startups to Enterprise research teams, builders rely on Lightning Rod Labs to turn complex, unstructured data into a durable competitive advantage. We’re making training data as automated, scalable, and adaptive as the models and products it powers.

Who Is the Company Behind Foresight Training Data?

Frekil

Accelerate Real World Evidence Generation from months to minutes for internal hypothesis testing from your own data

Who Is the Company Behind Frekil?

  • Seller: Frekil
  • Year Founded: 2026
  • HQ Location: San-Francisco, US
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Getmarkup

GetMarkup is an advanced online annotation tool designed to transform unstructured text into structured data, facilitating natural language processing (NLP) and machine learning (ML) applications. By leveraging the capabilities of GPT-4, it streamlines the annotation process, offering predictive suggestions that enhance workflow efficiency and reduce manual effort. Key Features and Functionality: - AI-Powered Annotations: Utilizes GPT-4 to provide predictive annotation suggestions, accelerating the data structuring process. - Ontology Integration: Supports both standard and custom ontologies, enabling precise and context-aware annotations. - User-Friendly Interface: Designed with an intuitive interface, making it accessible to users with varying levels of technical expertise. - Scalability: Offers flexible pricing plans to accommodate projects of all sizes, from individual users to large organizations. - Data Security: Implements industry-standard encryption protocols and strict access controls to ensure data privacy and security. Primary Value and Problem Solved: GetMarkup addresses the challenge of converting unstructured text into structured data, a critical step in NLP and ML projects. By automating and enhancing the annotation process, it significantly reduces the time and effort required for data preparation, leading to more efficient project workflows and improved model accuracy. Its integration with various ontologies ensures that annotations are contextually relevant, thereby enhancing the quality of the structured data produced.

Who Is the Company Behind Getmarkup?

Humanloop

Humanloop is the LLM evals platform for enterprises. Teams at Gusto, Vanta and Duolingo use Humanloop to ship reliable AI products. We enable you to adopt best practices for prompt management, evaluation and observability.

Who Is the Company Behind Humanloop?

  • Seller: Humanloop
  • Year Founded: 2020
  • HQ Location: London, GB
  • Twitter: @humanloop
    9,707 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®
Bijou Barry
BB
Researched and written by Bijou Barry
Updated April 9, 2026