Global

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

LabelImg is now part of the Label Studio community. The popular image annotation tool created by Tzutalin is no longer actively being developed, but you can check out Label Studio, the open source data labeling tool for images, text, hypertext, audio, video and time-series data.

Fast and flexible image augmentation library. Paper about the library:

This python library helps you with augmenting images for your machine learning projects. It converts a set of input images into a new, much larger set of slightly altered images.

A lightweight, polished AI-assisted interactive annotation tool for object detection and instance segmentation.