A curated list of awesome data labeling tools

开源的标注工具大全（含2D图像/视频/3D点云等）

Open source annotation and labeling tool for image and video assets

🏷 Label videos on the web for training image classifiers

labelfficient is a simple yet customizable and efficient tool for creating object detection labels

A PyQt5-based GUI application to make temporal annotations on videos for training machine learning models.