AI Tech Suite

Best Appen Alternatives

Compare Appen alternatives, pricing, and features. Find the best data annotation tools similar to Appen.

24,092 tools7,284 tasks10,262 jobs

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Unitlab Annotate

Freemium

Web

data annotation

Unitlab Annotate is an AI-driven collaborative data annotation platform, offering on-premises solutions and integrated labeling services.

SuperAnnotate

SuperAnnotate is an AI data platform that simplifies dataset creation, curation, and model evaluation for faster, better model building.

Mighty AI

Web

data annotation

Mighty AI generates high-quality training data for autonomous vehicle perception models.

Encord

Freemium

Web

data annotation

The world's leading platform for AI data curation, labeling, and model evaluation.

Keylabs

Paid

Web

data annotation

Keylabs is a data annotation platform with image and video labeling tools, offering features like ML-assisted annotation and supports various industries.

understand.ai

Free

Web

data annotation

understand.ai provides ground truth solutions for autonomous driving, offering an annotation platform and automation expertise. They work with industries like automotive and logistics.

CVAT

Paid

Web

data annotation

CVAT is a web-based, open-source tool for data annotation, supporting various annotation types and integrations with AI models and cloud storage.

Deepen AI

Web

data annotation

Hiring

Deepen AI offers AI-powered tools and services for multi-sensor data labeling, calibration, and validation in the autonomous vehicle sector.

Anolytics

Web

data annotation

Hiring

Anolytics provides high-quality data annotation and labeling services for AI and machine learning, covering image, video, text, and audio data.

Neevo

Paid

Web

data annotation

Neevo is a platform where you get paid to help shape the future of AI by completing simple tasks.

Ocular AI

Ocular AI provides a data annotation platform and service for building high-quality datasets to power AI models, supporting images, videos, 3D, and code.