Paid
Encord
Data labeling strong in medical imaging
Data LabelingMachine Vision
Software & Tools
Best Data Labeling Tools
10 curated Data Labeling Tools, updated 2026-10-22. Top picks include Encord, 数据堂, V7. Compare free, freemium and paid options, then open a tool page or browse alternatives.
10 toolsUpdated 2026-10-22Free 0Freemium 3Paid 7
Paid
数据堂
Veteran Chinese AI data and annotation provider
Data Labeling
Paid
V7
AI-powered annotation with auto-labeling
Data LabelingMachine Vision
Paid
Snorkel AI
Programmatic data labeling from Stanford
Data Labeling
Paid
澳鹏 Appen
Global crowdsourced data labeling veteran
Data Labeling
Paid
Labelbox
Enterprise labeling platform with model assist
Data Labeling
Freemium
CVAT
Open-source CV annotation industry standard
Data LabelingAI Open Source
Freemium
Supervisely
CV labeling plus training in one platform
Data LabelingMachine Vision
Paid
Scale AI
Data foundry behind top AI labs' training data
Data Labeling
Freemium
Label Studio
Most popular open-source data labeling tool
Data LabelingAI Open Source
How we curate this category
Every listing is reviewed by a human before publishing. We group tools by use case, keep pricing and category data current, and link to official websites — paid placement never determines order.