Label Studio is a multi-type data labeling and annotation tool with standardized output format

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• Updated Nov 12, 2026
• TypeScript

The free and privacy-friendly screen recorder with no limits 🎥

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• Updated Nov 8, 2026
• JavaScript

CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

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• Updated Nov 12, 2026
• Python

Cleanlab's open-source library is the standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.

data-science machine-learning annotation data-validation exploratory-data-analysis weak-supervision outlier-detection labeling datasets data-cleaning active-learning data-quality data-profiling anomaly-detection data-curation data-annotation noisy-labels out-of-distribution-detection data-labeling data-centric-ai

• Updated Jan 13, 2026
• Python

🚀 A coroutine framework that focuses on hyperspeed and flexibility. Building microservice or middleware with ease.

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• Updated Oct 23, 2026
• PHP

一款android自动生成表格框架---An Android automatically generated table framework

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• Updated Mar 11, 2022
• Java

Browser extension to curate, annotate, and discuss the most valuable content and ideas on the web. As individuals, teams and communities.

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• Updated Dec 2, 2025
• TypeScript

A curated list of awesome data labeling tools

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• Updated Jun 17, 2024

Make the model your single source of truth. Erupt is a model-driven engine for enterprise apps: UI, REST APIs, RBAC, data and AI agents are built from one model at runtime — no codegen, no frontend. Java/Kotlin on Spring Boot, Solon, Quarkus & more; SDKs for Python, Go, TypeScript and 6 other languages.

semantic annotation polyglot rbac harness-framework low-code model-driven mdd erupt erupt-engine

• Updated Nov 12, 2026
• Java

a library for audio and music analysis

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• Updated Apr 10, 2026
• C

A map tool with real-time collaboration 🗺️

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• Updated Jul 2, 2022
• JavaScript

ksnip the cross-platform screenshot and annotation tool

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• Updated Oct 21, 2026
• C++

Annotate with anyone, anywhere.

python annotation hypothesis

• Updated Nov 11, 2026
• Python

🚀 lightweight high-performance WebSocket framework （ 轻量级、高性能的WebSocket框架）

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• Updated Sep 25, 2026
• Java

The AI Datastore for Schemas, BLOBs, and Predictions. Use with your apps or integrate built-in Human Supervision, Data Workflow, and UI Catalog to get the most value out of your AI Data.

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• Updated Jun 22, 2026
• Python

A better annotation generator. Supports multiple languages and annotation conventions.

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• Updated Jan 10, 2026
• Lua

🍭灵活的组件化路由框架.

android router component annotation annotations route decoupling cross-module

• Updated Jul 5, 2022
• Java

Open-source screenshot and screen recording for macOS. The free, native alternative to CleanShot X. Built with Swift 6.0 and SwiftUI.

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• Updated Nov 10, 2026
• Swift

Source code for the LabelMe annotation tool.

computer-vision annotation

• Updated Mar 29, 2023
• JavaScript

Annotate quickly images.

opencv computer-vision deep-learning annotation tool pixel qt5 ground-truth annotation-tool image-labeling labeling-tool pixel-wise image-seg-tool

• Updated Nov 21, 2022
• C++