OSS Discovery

UN
Global
PRODUCTIVITY & KNOWLEDGE
SELF-HOSTABLE
ACTIVELY MAINTAINED
PAID
Label Studio

LABEL STUDIO

Label Studio is a premier data labeling platform for fine-tuning large language models (LLMs) and preparing high-quality training data. It offers flexible data annotation and integration with popular machine learning frameworks, supporting seamless workflows. Targeted at enterprises, it streamlines data preparation for AI model development with scalable, precise results.

GITHUB STARS
27k
+12% this month
FORKS
3.5k
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
183
Tracking updates
LICENSE
Apache-2.0
Commercial use
Label Studio is a premier data labeling platform for fine-tuning large language models (LLMs) and preparing high-quality training data. It offers flexible data annotation and integration with popular machine learning frameworks, supporting seamless workflows. Targeted at enterprises, it streamlines data preparation for AI model development with scalable, precise results.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

TypeScript
TypeScript
JavaScript
JavaScript
Python
Python
CSS
CSS
HTML
HTML
Shell
Shell
Dockerfile
Dockerfile
Makefile
Makefile

VISUAL INTERFACE

Screenshot 1
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Screenshot 3

The Quick Glance

Status
Active
Category
Productivity & Knowledge
Pricing
Paid
Self-Hosted
Yes
Available on
Windows
macOS
Linux
Latest Release
1.23.0
Mar 13, 2026

Relative Standing — across 1,284 tools

STARS27k
Top 14% globally
FORKS3.5k
Top 12% in Open Source
ACTIVITYHigh
Top 44% Activity
WATCHERS183
Top 20% Community